87504220

素因数分解:

$2^2\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{2351}}^1$

素因数の和:4221

約数の個数: 24

約数和(自身を含む): 183935808

約数和(自身を除く): 96431588

約数列:

[1, 2, 4, 5, 10, 20, 1861, 2351, 3722, 4702, 7444, 9305, 9404, 11755, 18610, 23510, 37220, 47020, 4375211, 8750422, 17500844, 21876055, 43752110, 87504220]

約数ペア:

[(1, 87504220), (2, 43752110), (4, 21876055), (5, 17500844), (10, 8750422), (20, 4375211), (1861, 47020), (2351, 37220), (3722, 23510), (4702, 18610), (7444, 11755), (9305, 9404)]