20125979510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1\times {\mathrm{827}}^1$

素因数の和:1470

約数の個数: 128

約数和(自身を含む): 45670625280

約数和(自身を除く): 25544645770

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 47, 65, 70, 91, 94, 130, 182, 235, 329, 455, 470, 569, 611, 658, 827, 910, 1138, 1222, 1645, 1654, 2845, 3055, 3290, 3983, 4135, 4277, 5690, 5789, 6110, 7397, 7966, 8270, 8554, 10751, 11578, 14794, 19915, 21385, 21502, 26743, 28945, 36985, 38869, 39830, 42770, 51779, 53486, 53755, 57890, 73970, 75257, 77738, 103558, 107510, 133715, 150514, 187201, 194345, 258895, 267430, 272083, 347659, 374402, 376285, 388690, 470563, 505297, 517790, 544166, 695318, 752570, 936005, 941126, 1010594, 1360415, 1738295, 1872010, 2352815, 2433613, 2526485, 2720830, 3293941, 3476590, 3537079, 4705630, 4867226, 5052970, 6117319, 6587882, 7074158, 12168065, 12234638, 16469705, 17685395, 22116461, 24336130, 30586595, 32939410, 35370790, 42821233, 44232922, 61173190, 85642466, 110582305, 154815227, 214106165, 221164610, 287513993, 309630454, 428212330, 575027986, 774076135, 1437569965, 1548152270, 2012597951, 2875139930, 4025195902, 10062989755, 20125979510]

約数ペア:

[(1, 20125979510), (2, 10062989755), (5, 4025195902), (7, 2875139930), (10, 2012597951), (13, 1548152270), (14, 1437569965), (26, 774076135), (35, 575027986), (47, 428212330), (65, 309630454), (70, 287513993), (91, 221164610), (94, 214106165), (130, 154815227), (182, 110582305), (235, 85642466), (329, 61173190), (455, 44232922), (470, 42821233), (569, 35370790), (611, 32939410), (658, 30586595), (827, 24336130), (910, 22116461), (1138, 17685395), (1222, 16469705), (1645, 12234638), (1654, 12168065), (2845, 7074158), (3055, 6587882), (3290, 6117319), (3983, 5052970), (4135, 4867226), (4277, 4705630), (5690, 3537079), (5789, 3476590), (6110, 3293941), (7397, 2720830), (7966, 2526485), (8270, 2433613), (8554, 2352815), (10751, 1872010), (11578, 1738295), (14794, 1360415), (19915, 1010594), (21385, 941126), (21502, 936005), (26743, 752570), (28945, 695318), (36985, 544166), (38869, 517790), (39830, 505297), (42770, 470563), (51779, 388690), (53486, 376285), (53755, 374402), (57890, 347659), (73970, 272083), (75257, 267430), (77738, 258895), (103558, 194345), (107510, 187201), (133715, 150514)]