22137680

素因数分解:

$2^4\times 5^1\times {\mathrm{276721}}^1$

素因数の和:276734

約数の個数: 20

約数和(自身を含む): 51470292

約数和(自身を除く): 29332612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 276721, 553442, 1106884, 1383605, 2213768, 2767210, 4427536, 5534420, 11068840, 22137680]

約数ペア:

[(1, 22137680), (2, 11068840), (4, 5534420), (5, 4427536), (8, 2767210), (10, 2213768), (16, 1383605), (20, 1106884), (40, 553442), (80, 276721)]