40620380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 88149600

約数和(自身を除く): 47529220

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 215, 298, 317, 430, 596, 634, 745, 860, 1268, 1490, 1585, 2980, 3170, 6340, 6407, 12814, 13631, 25628, 27262, 32035, 47233, 54524, 64070, 68155, 94466, 128140, 136310, 188932, 236165, 272620, 472330, 944660, 2031019, 4062038, 8124076, 10155095, 20310190, 40620380]

約数ペア:

[(1, 40620380), (2, 20310190), (4, 10155095), (5, 8124076), (10, 4062038), (20, 2031019), (43, 944660), (86, 472330), (149, 272620), (172, 236165), (215, 188932), (298, 136310), (317, 128140), (430, 94466), (596, 68155), (634, 64070), (745, 54524), (860, 47233), (1268, 32035), (1490, 27262), (1585, 25628), (2980, 13631), (3170, 12814), (6340, 6407)]