1224156980

素因数分解:

$2^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{39979}}^1$

素因数の和:41519

約数の個数: 24

約数和(自身を含む): 2572473120

約数和(自身を除く): 1348316140

約数列:

[1, 2, 4, 5, 10, 20, 1531, 3062, 6124, 7655, 15310, 30620, 39979, 79958, 159916, 199895, 399790, 799580, 61207849, 122415698, 244831396, 306039245, 612078490, 1224156980]

約数ペア:

[(1, 1224156980), (2, 612078490), (4, 306039245), (5, 244831396), (10, 122415698), (20, 61207849), (1531, 799580), (3062, 399790), (6124, 199895), (7655, 159916), (15310, 79958), (30620, 39979)]