31909840

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2677}}^1$

素因数の和:2839

約数の個数: 40

約数和(自身を含む): 74716200

約数和(自身を除く): 42806360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2677, 2980, 5354, 5960, 10708, 11920, 13385, 21416, 26770, 42832, 53540, 107080, 214160, 398873, 797746, 1595492, 1994365, 3190984, 3988730, 6381968, 7977460, 15954920, 31909840]

約数ペア:

[(1, 31909840), (2, 15954920), (4, 7977460), (5, 6381968), (8, 3988730), (10, 3190984), (16, 1994365), (20, 1595492), (40, 797746), (80, 398873), (149, 214160), (298, 107080), (596, 53540), (745, 42832), (1192, 26770), (1490, 21416), (2384, 13385), (2677, 11920), (2980, 10708), (5354, 5960)]