25002620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30491}}^1$

素因数の和:30541

約数の個数: 24

約数和(自身を含む): 53787888

約数和(自身を除く): 28785268

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 30491, 60982, 121964, 152455, 304910, 609820, 1250131, 2500262, 5000524, 6250655, 12501310, 25002620]

約数ペア:

[(1, 25002620), (2, 12501310), (4, 6250655), (5, 5000524), (10, 2500262), (20, 1250131), (41, 609820), (82, 304910), (164, 152455), (205, 121964), (410, 60982), (820, 30491)]