20127182480

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{19697}}^1$

素因数の和:20004

約数の個数: 80

約数和(自身を含む): 47878904304

約数和(自身を除く): 27751721824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 241, 265, 424, 482, 530, 848, 964, 1060, 1205, 1928, 2120, 2410, 3856, 4240, 4820, 9640, 12773, 19280, 19697, 25546, 39394, 51092, 63865, 78788, 98485, 102184, 127730, 157576, 196970, 204368, 255460, 315152, 393940, 510920, 787880, 1021840, 1043941, 1575760, 2087882, 4175764, 4746977, 5219705, 8351528, 9493954, 10439410, 16703056, 18987908, 20878820, 23734885, 37975816, 41757640, 47469770, 75951632, 83515280, 94939540, 189879080, 251589781, 379758160, 503179562, 1006359124, 1257948905, 2012718248, 2515897810, 4025436496, 5031795620, 10063591240, 20127182480]

約数ペア:

[(1, 20127182480), (2, 10063591240), (4, 5031795620), (5, 4025436496), (8, 2515897810), (10, 2012718248), (16, 1257948905), (20, 1006359124), (40, 503179562), (53, 379758160), (80, 251589781), (106, 189879080), (212, 94939540), (241, 83515280), (265, 75951632), (424, 47469770), (482, 41757640), (530, 37975816), (848, 23734885), (964, 20878820), (1060, 18987908), (1205, 16703056), (1928, 10439410), (2120, 9493954), (2410, 8351528), (3856, 5219705), (4240, 4746977), (4820, 4175764), (9640, 2087882), (12773, 1575760), (19280, 1043941), (19697, 1021840), (25546, 787880), (39394, 510920), (51092, 393940), (63865, 315152), (78788, 255460), (98485, 204368), (102184, 196970), (127730, 157576)]