12421240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23887}}^1$

素因数の和:23911

約数の個数: 32

約数和(自身を含む): 30098880

約数和(自身を除く): 17677640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 23887, 47774, 95548, 119435, 191096, 238870, 310531, 477740, 621062, 955480, 1242124, 1552655, 2484248, 3105310, 6210620, 12421240]

約数ペア:

[(1, 12421240), (2, 6210620), (4, 3105310), (5, 2484248), (8, 1552655), (10, 1242124), (13, 955480), (20, 621062), (26, 477740), (40, 310531), (52, 238870), (65, 191096), (104, 119435), (130, 95548), (260, 47774), (520, 23887)]