30993640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6857}}^1$

素因数の和:6981

約数の個数: 32

約数和(自身を含む): 70363080

約数和(自身を除く): 39369440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6857, 13714, 27428, 34285, 54856, 68570, 137140, 274280, 774841, 1549682, 3099364, 3874205, 6198728, 7748410, 15496820, 30993640]

約数ペア:

[(1, 30993640), (2, 15496820), (4, 7748410), (5, 6198728), (8, 3874205), (10, 3099364), (20, 1549682), (40, 774841), (113, 274280), (226, 137140), (452, 68570), (565, 54856), (904, 34285), (1130, 27428), (2260, 13714), (4520, 6857)]