39568720

素因数分解:

$2^4\times 5^1\times {\mathrm{494609}}^1$

素因数の和:494622

約数の個数: 20

約数和(自身を含む): 91997460

約数和(自身を除く): 52428740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 494609, 989218, 1978436, 2473045, 3956872, 4946090, 7913744, 9892180, 19784360, 39568720]

約数ペア:

[(1, 39568720), (2, 19784360), (4, 9892180), (5, 7913744), (8, 4946090), (10, 3956872), (16, 2473045), (20, 1978436), (40, 989218), (80, 494609)]