12733640

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{709}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 28755000

約数和(自身を除く): 16021360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 709, 898, 1418, 1796, 2245, 2836, 3545, 3592, 4490, 5672, 7090, 8980, 14180, 17960, 28360, 318341, 636682, 1273364, 1591705, 2546728, 3183410, 6366820, 12733640]

約数ペア:

[(1, 12733640), (2, 6366820), (4, 3183410), (5, 2546728), (8, 1591705), (10, 1273364), (20, 636682), (40, 318341), (449, 28360), (709, 17960), (898, 14180), (1418, 8980), (1796, 7090), (2245, 5672), (2836, 4490), (3545, 3592)]