7872820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9601}}^1$

素因数の和:9651

約数の個数: 24

約数和(自身を含む): 16937928

約数和(自身を除く): 9065108

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 9601, 19202, 38404, 48005, 96010, 192020, 393641, 787282, 1574564, 1968205, 3936410, 7872820]

約数ペア:

[(1, 7872820), (2, 3936410), (4, 1968205), (5, 1574564), (10, 787282), (20, 393641), (41, 192020), (82, 96010), (164, 48005), (205, 38404), (410, 19202), (820, 9601)]