89966480

素因数分解:

$2^4\times 5^1\times {\mathrm{1124581}}^1$

素因数の和:1124594

約数の個数: 20

約数和(自身を含む): 209172252

約数和(自身を除く): 119205772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1124581, 2249162, 4498324, 5622905, 8996648, 11245810, 17993296, 22491620, 44983240, 89966480]

約数ペア:

[(1, 89966480), (2, 44983240), (4, 22491620), (5, 17993296), (8, 11245810), (10, 8996648), (16, 5622905), (20, 4498324), (40, 2249162), (80, 1124581)]