39430640

素因数分解:

$2^4\times 5^1\times {\mathrm{492883}}^1$

素因数の和:492896

約数の個数: 20

約数和(自身を含む): 91676424

約数和(自身を除く): 52245784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 492883, 985766, 1971532, 2464415, 3943064, 4928830, 7886128, 9857660, 19715320, 39430640]

約数ペア:

[(1, 39430640), (2, 19715320), (4, 9857660), (5, 7886128), (8, 4928830), (10, 3943064), (16, 2464415), (20, 1971532), (40, 985766), (80, 492883)]