22321840

素因数分解:

$2^4\times 5^1\times {\mathrm{279023}}^1$

素因数の和:279036

約数の個数: 20

約数和(自身を含む): 51898464

約数和(自身を除く): 29576624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 279023, 558046, 1116092, 1395115, 2232184, 2790230, 4464368, 5580460, 11160920, 22321840]

約数ペア:

[(1, 22321840), (2, 11160920), (4, 5580460), (5, 4464368), (8, 2790230), (10, 2232184), (16, 1395115), (20, 1116092), (40, 558046), (80, 279023)]