31815020

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2521}}^1$

素因数の和:3161

約数の個数: 24

約数和(自身を含む): 66943968

約数和(自身を除く): 35128948

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2521, 2524, 3155, 5042, 6310, 10084, 12605, 12620, 25210, 50420, 1590751, 3181502, 6363004, 7953755, 15907510, 31815020]

約数ペア:

[(1, 31815020), (2, 15907510), (4, 7953755), (5, 6363004), (10, 3181502), (20, 1590751), (631, 50420), (1262, 25210), (2521, 12620), (2524, 12605), (3155, 10084), (5042, 6310)]