30693640

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1709}}^1$

素因数の和:2169

約数の個数: 32

約数和(自身を含む): 69255000

約数和(自身を除く): 38561360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1709, 1796, 2245, 3418, 3592, 4490, 6836, 8545, 8980, 13672, 17090, 17960, 34180, 68360, 767341, 1534682, 3069364, 3836705, 6138728, 7673410, 15346820, 30693640]

約数ペア:

[(1, 30693640), (2, 15346820), (4, 7673410), (5, 6138728), (8, 3836705), (10, 3069364), (20, 1534682), (40, 767341), (449, 68360), (898, 34180), (1709, 17960), (1796, 17090), (2245, 13672), (3418, 8980), (3592, 8545), (4490, 6836)]