20005410320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{61487}}^1$

素因数の和:61597

約数の個数: 120

約数和(自身を含む): 54759245184

約数和(自身を除く): 34753834864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 83, 98, 112, 140, 166, 196, 245, 280, 332, 392, 415, 490, 560, 581, 664, 784, 830, 980, 1162, 1328, 1660, 1960, 2324, 2905, 3320, 3920, 4067, 4648, 5810, 6640, 8134, 9296, 11620, 16268, 20335, 23240, 32536, 40670, 46480, 61487, 65072, 81340, 122974, 162680, 245948, 307435, 325360, 430409, 491896, 614870, 860818, 983792, 1229740, 1721636, 2152045, 2459480, 3012863, 3443272, 4304090, 4918960, 5103421, 6025726, 6886544, 8608180, 10206842, 12051452, 15064315, 17216360, 20413684, 24102904, 25517105, 30128630, 34432720, 35723947, 40827368, 48205808, 51034210, 60257260, 71447894, 81654736, 102068420, 120514520, 142895788, 178619735, 204136840, 241029040, 250067629, 285791576, 357239470, 408273680, 500135258, 571583152, 714478940, 1000270516, 1250338145, 1428957880, 2000541032, 2500676290, 2857915760, 4001082064, 5001352580, 10002705160, 20005410320]

約数ペア:

[(1, 20005410320), (2, 10002705160), (4, 5001352580), (5, 4001082064), (7, 2857915760), (8, 2500676290), (10, 2000541032), (14, 1428957880), (16, 1250338145), (20, 1000270516), (28, 714478940), (35, 571583152), (40, 500135258), (49, 408273680), (56, 357239470), (70, 285791576), (80, 250067629), (83, 241029040), (98, 204136840), (112, 178619735), (140, 142895788), (166, 120514520), (196, 102068420), (245, 81654736), (280, 71447894), (332, 60257260), (392, 51034210), (415, 48205808), (490, 40827368), (560, 35723947), (581, 34432720), (664, 30128630), (784, 25517105), (830, 24102904), (980, 20413684), (1162, 17216360), (1328, 15064315), (1660, 12051452), (1960, 10206842), (2324, 8608180), (2905, 6886544), (3320, 6025726), (3920, 5103421), (4067, 4918960), (4648, 4304090), (5810, 3443272), (6640, 3012863), (8134, 2459480), (9296, 2152045), (11620, 1721636), (16268, 1229740), (20335, 983792), (23240, 860818), (32536, 614870), (40670, 491896), (46480, 430409), (61487, 325360), (65072, 307435), (81340, 245948), (122974, 162680)]