22821380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12821}}^1$

素因数の和:12919

約数の個数: 24

約数和(自身を含む): 48467160

約数和(自身を除く): 25645780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12821, 25642, 51284, 64105, 128210, 256420, 1141069, 2282138, 4564276, 5705345, 11410690, 22821380]

約数ペア:

[(1, 22821380), (2, 11410690), (4, 5705345), (5, 4564276), (10, 2282138), (20, 1141069), (89, 256420), (178, 128210), (356, 64105), (445, 51284), (890, 25642), (1780, 12821)]