9480920

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 21420720

約数和(自身を除く): 11939800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 563, 842, 1126, 1684, 2105, 2252, 2815, 3368, 4210, 4504, 5630, 8420, 11260, 16840, 22520, 237023, 474046, 948092, 1185115, 1896184, 2370230, 4740460, 9480920]

約数ペア:

[(1, 9480920), (2, 4740460), (4, 2370230), (5, 1896184), (8, 1185115), (10, 948092), (20, 474046), (40, 237023), (421, 22520), (563, 16840), (842, 11260), (1126, 8420), (1684, 5630), (2105, 4504), (2252, 4210), (2815, 3368)]