31708840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{14957}}^1$

素因数の和:15021

約数の個数: 32

約数和(自身を含む): 72695880

約数和(自身を除く): 40987040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 14957, 29914, 59828, 74785, 119656, 149570, 299140, 598280, 792721, 1585442, 3170884, 3963605, 6341768, 7927210, 15854420, 31708840]

約数ペア:

[(1, 31708840), (2, 15854420), (4, 7927210), (5, 6341768), (8, 3963605), (10, 3170884), (20, 1585442), (40, 792721), (53, 598280), (106, 299140), (212, 149570), (265, 119656), (424, 74785), (530, 59828), (1060, 29914), (2120, 14957)]