39438620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151687}}^1$

素因数の和:151709

約数の個数: 24

約数和(自身を含む): 89192544

約数和(自身を除く): 49753924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 151687, 303374, 606748, 758435, 1516870, 1971931, 3033740, 3943862, 7887724, 9859655, 19719310, 39438620]

約数ペア:

[(1, 39438620), (2, 19719310), (4, 9859655), (5, 7887724), (10, 3943862), (13, 3033740), (20, 1971931), (26, 1516870), (52, 758435), (65, 606748), (130, 303374), (260, 151687)]