159980740

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{13049}}^1$

素因数の和:13671

約数の個数: 24

約数和(自身を含む): 336533400

約数和(自身を除く): 176552660

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 6130, 12260, 13049, 26098, 52196, 65245, 130490, 260980, 7999037, 15998074, 31996148, 39995185, 79990370, 159980740]

約数ペア:

[(1, 159980740), (2, 79990370), (4, 39995185), (5, 31996148), (10, 15998074), (20, 7999037), (613, 260980), (1226, 130490), (2452, 65245), (3065, 52196), (6130, 26098), (12260, 13049)]