156965903680

素因数分解:

$2^6\times 5^1\times {\mathrm{490518449}}^1$

素因数の和:490518466

約数の個数: 28

約数和(自身を含む): 373775058900

約数和(自身を除く): 216809155220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490518449, 981036898, 1962073796, 2452592245, 3924147592, 4905184490, 7848295184, 9810368980, 15696590368, 19620737960, 31393180736, 39241475920, 78482951840, 156965903680]

約数ペア:

[(1, 156965903680), (2, 78482951840), (4, 39241475920), (5, 31393180736), (8, 19620737960), (10, 15696590368), (16, 9810368980), (20, 7848295184), (32, 4905184490), (40, 3924147592), (64, 2452592245), (80, 1962073796), (160, 981036898), (320, 490518449)]