84201290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{5009}}^1$

素因数の和:5098

約数の個数: 24

約数和(自身を含む): 155380140

約数和(自身を除く): 71178850

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1681, 3362, 5009, 8405, 10018, 16810, 25045, 50090, 205369, 410738, 1026845, 2053690, 8420129, 16840258, 42100645, 84201290]

約数ペア:

[(1, 84201290), (2, 42100645), (5, 16840258), (10, 8420129), (41, 2053690), (82, 1026845), (205, 410738), (410, 205369), (1681, 50090), (3362, 25045), (5009, 16810), (8405, 10018)]