9997450

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2531}}^1$

素因数の和:2622

約数の個数: 24

約数和(自身を含む): 18838080

約数和(自身を除く): 8840630

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 2531, 3950, 5062, 12655, 25310, 63275, 126550, 199949, 399898, 999745, 1999490, 4998725, 9997450]

約数ペア:

[(1, 9997450), (2, 4998725), (5, 1999490), (10, 999745), (25, 399898), (50, 199949), (79, 126550), (158, 63275), (395, 25310), (790, 12655), (1975, 5062), (2531, 3950)]