89897240

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2551}}^1$

素因数の和:3443

約数の個数: 32

約数和(自身を含む): 202577760

約数和(自身を除く): 112680520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 2551, 3524, 4405, 5102, 7048, 8810, 10204, 12755, 17620, 20408, 25510, 35240, 51020, 102040, 2247431, 4494862, 8989724, 11237155, 17979448, 22474310, 44948620, 89897240]

約数ペア:

[(1, 89897240), (2, 44948620), (4, 22474310), (5, 17979448), (8, 11237155), (10, 8989724), (20, 4494862), (40, 2247431), (881, 102040), (1762, 51020), (2551, 35240), (3524, 25510), (4405, 20408), (5102, 17620), (7048, 12755), (8810, 10204)]