12525820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8821}}^1$

素因数の和:8901

約数の個数: 24

約数和(自身を含む): 26677728

約数和(自身を除く): 14151908

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8821, 17642, 35284, 44105, 88210, 176420, 626291, 1252582, 2505164, 3131455, 6262910, 12525820]

約数ペア:

[(1, 12525820), (2, 6262910), (4, 3131455), (5, 2505164), (10, 1252582), (20, 626291), (71, 176420), (142, 88210), (284, 44105), (355, 35284), (710, 17642), (1420, 8821)]