520028420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{634181}}^1$

素因数の和:634231

約数の個数: 24

約数和(自身を含む): 1118697048

約数和(自身を除く): 598668628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 634181, 1268362, 2536724, 3170905, 6341810, 12683620, 26001421, 52002842, 104005684, 130007105, 260014210, 520028420]

約数ペア:

[(1, 520028420), (2, 260014210), (4, 130007105), (5, 104005684), (10, 52002842), (20, 26001421), (41, 12683620), (82, 6341810), (164, 3170905), (205, 2536724), (410, 1268362), (820, 634181)]