12965060

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4129}}^1$

素因数の和:4295

約数の個数: 24

約数和(自身を含む): 27406680

約数和(自身を除く): 14441620

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4129, 8258, 16516, 20645, 41290, 82580, 648253, 1296506, 2593012, 3241265, 6482530, 12965060]

約数ペア:

[(1, 12965060), (2, 6482530), (4, 3241265), (5, 2593012), (10, 1296506), (20, 648253), (157, 82580), (314, 41290), (628, 20645), (785, 16516), (1570, 8258), (3140, 4129)]