20129406050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:361

約数の個数: 192

約数和(自身を含む): 42948813600

約数和(自身を除く): 22819407550

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 97, 101, 109, 130, 145, 194, 202, 218, 290, 325, 377, 485, 505, 545, 650, 725, 754, 970, 1010, 1090, 1261, 1313, 1417, 1450, 1885, 2425, 2522, 2525, 2626, 2725, 2813, 2834, 2929, 3161, 3770, 4850, 5050, 5450, 5626, 5858, 6305, 6322, 6565, 7085, 9425, 9797, 10573, 11009, 12610, 13130, 14065, 14170, 14645, 15805, 18850, 19594, 21146, 22018, 28130, 29290, 31525, 31610, 32825, 35425, 36569, 38077, 41093, 48985, 52865, 55045, 63050, 65650, 70325, 70850, 73138, 73225, 76154, 79025, 82186, 97970, 105730, 110090, 127361, 137449, 140650, 143117, 146450, 158050, 182845, 190385, 205465, 244925, 254722, 264325, 274898, 275225, 284113, 286234, 306617, 319261, 365690, 380770, 410930, 489850, 528650, 550450, 568226, 613234, 636805, 638522, 687245, 715585, 914225, 951925, 1027325, 1067873, 1273610, 1374490, 1420565, 1431170, 1533085, 1596305, 1828450, 1903850, 2054650, 2135746, 2841130, 3066170, 3184025, 3192610, 3436225, 3577925, 3693469, 3986021, 4150393, 5339365, 6368050, 6872450, 7102825, 7155850, 7386938, 7665425, 7972042, 7981525, 8300786, 10678730, 13882349, 14205650, 15330850, 15963050, 18467345, 19930105, 20751965, 26696825, 27764698, 30968317, 36934690, 39860210, 41503930, 53393650, 61936634, 69411745, 92336725, 99650525, 103759825, 138823490, 154841585, 184673450, 199301050, 207519650, 309683170, 347058725, 402588121, 694117450, 774207925, 805176242, 1548415850, 2012940605, 4025881210, 10064703025, 20129406050]

約数ペア:

[(1, 20129406050), (2, 10064703025), (5, 4025881210), (10, 2012940605), (13, 1548415850), (25, 805176242), (26, 774207925), (29, 694117450), (50, 402588121), (58, 347058725), (65, 309683170), (97, 207519650), (101, 199301050), (109, 184673450), (130, 154841585), (145, 138823490), (194, 103759825), (202, 99650525), (218, 92336725), (290, 69411745), (325, 61936634), (377, 53393650), (485, 41503930), (505, 39860210), (545, 36934690), (650, 30968317), (725, 27764698), (754, 26696825), (970, 20751965), (1010, 19930105), (1090, 18467345), (1261, 15963050), (1313, 15330850), (1417, 14205650), (1450, 13882349), (1885, 10678730), (2425, 8300786), (2522, 7981525), (2525, 7972042), (2626, 7665425), (2725, 7386938), (2813, 7155850), (2834, 7102825), (2929, 6872450), (3161, 6368050), (3770, 5339365), (4850, 4150393), (5050, 3986021), (5450, 3693469), (5626, 3577925), (5858, 3436225), (6305, 3192610), (6322, 3184025), (6565, 3066170), (7085, 2841130), (9425, 2135746), (9797, 2054650), (10573, 1903850), (11009, 1828450), (12610, 1596305), (13130, 1533085), (14065, 1431170), (14170, 1420565), (14645, 1374490), (15805, 1273610), (18850, 1067873), (19594, 1027325), (21146, 951925), (22018, 914225), (28130, 715585), (29290, 687245), (31525, 638522), (31610, 636805), (32825, 613234), (35425, 568226), (36569, 550450), (38077, 528650), (41093, 489850), (48985, 410930), (52865, 380770), (55045, 365690), (63050, 319261), (65650, 306617), (70325, 286234), (70850, 284113), (73138, 275225), (73225, 274898), (76154, 264325), (79025, 254722), (82186, 244925), (97970, 205465), (105730, 190385), (110090, 182845), (127361, 158050), (137449, 146450), (140650, 143117)]