3999580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15383}}^1$

素因数の和:15405

約数の個数: 24

約数和(自身を含む): 9045792

約数和(自身を除く): 5046212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15383, 30766, 61532, 76915, 153830, 199979, 307660, 399958, 799916, 999895, 1999790, 3999580]

約数ペア:

[(1, 3999580), (2, 1999790), (4, 999895), (5, 799916), (10, 399958), (13, 307660), (20, 199979), (26, 153830), (52, 76915), (65, 61532), (130, 30766), (260, 15383)]