100878640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{9929}}^1$

素因数の和:10069

約数の個数: 40

約数和(自身を含む): 236413440

約数和(自身を除く): 135534800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 9929, 10160, 19858, 39716, 49645, 79432, 99290, 158864, 198580, 397160, 794320, 1260983, 2521966, 5043932, 6304915, 10087864, 12609830, 20175728, 25219660, 50439320, 100878640]

約数ペア:

[(1, 100878640), (2, 50439320), (4, 25219660), (5, 20175728), (8, 12609830), (10, 10087864), (16, 6304915), (20, 5043932), (40, 2521966), (80, 1260983), (127, 794320), (254, 397160), (508, 198580), (635, 158864), (1016, 99290), (1270, 79432), (2032, 49645), (2540, 39716), (5080, 19858), (9929, 10160)]