126391240

素因数分解:

$2^3\times 5^1\times {\mathrm{3159781}}^1$

素因数の和:3159792

約数の個数: 16

約数和(自身を含む): 284380380

約数和(自身を除く): 157989140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3159781, 6319562, 12639124, 15798905, 25278248, 31597810, 63195620, 126391240]

約数ペア:

[(1, 126391240), (2, 63195620), (4, 31597810), (5, 25278248), (8, 15798905), (10, 12639124), (20, 6319562), (40, 3159781)]