25553510

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 47220192

約数和(自身を除く): 21666682

約数列:

[1, 2, 5, 10, 61, 122, 163, 257, 305, 326, 514, 610, 815, 1285, 1630, 2570, 9943, 15677, 19886, 31354, 41891, 49715, 78385, 83782, 99430, 156770, 209455, 418910, 2555351, 5110702, 12776755, 25553510]

約数ペア:

[(1, 25553510), (2, 12776755), (5, 5110702), (10, 2555351), (61, 418910), (122, 209455), (163, 156770), (257, 99430), (305, 83782), (326, 78385), (514, 49715), (610, 41891), (815, 31354), (1285, 19886), (1630, 15677), (2570, 9943)]