84216280

素因数分解:

$2^3\times 5^1\times {\mathrm{2105407}}^1$

素因数の和:2105418

約数の個数: 16

約数和(自身を含む): 189486720

約数和(自身を除く): 105270440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2105407, 4210814, 8421628, 10527035, 16843256, 21054070, 42108140, 84216280]

約数ペア:

[(1, 84216280), (2, 42108140), (4, 21054070), (5, 16843256), (8, 10527035), (10, 8421628), (20, 4210814), (40, 2105407)]