78099820

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{23957}}^1$

素因数の和:24129

約数の個数: 24

約数和(自身を含む): 165022704

約数和(自身を除く): 86922884

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 23957, 47914, 95828, 119785, 239570, 479140, 3904991, 7809982, 15619964, 19524955, 39049910, 78099820]

約数ペア:

[(1, 78099820), (2, 39049910), (4, 19524955), (5, 15619964), (10, 7809982), (20, 3904991), (163, 479140), (326, 239570), (652, 119785), (815, 95828), (1630, 47914), (3260, 23957)]