25387340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{691}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 58593024

約数和(自身を除く): 33205684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 668, 691, 835, 1382, 1670, 1837, 2764, 3340, 3455, 3674, 6910, 7348, 7601, 9185, 13820, 15202, 18370, 30404, 36740, 38005, 76010, 115397, 152020, 230794, 461588, 576985, 1153970, 1269367, 2307940, 2538734, 5077468, 6346835, 12693670, 25387340]

約数ペア:

[(1, 25387340), (2, 12693670), (4, 6346835), (5, 5077468), (10, 2538734), (11, 2307940), (20, 1269367), (22, 1153970), (44, 576985), (55, 461588), (110, 230794), (167, 152020), (220, 115397), (334, 76010), (668, 38005), (691, 36740), (835, 30404), (1382, 18370), (1670, 15202), (1837, 13820), (2764, 9185), (3340, 7601), (3455, 7348), (3674, 6910)]