39496720

素因数分解:

$2^4\times 5^1\times {\mathrm{493709}}^1$

素因数の和:493722

約数の個数: 20

約数和(自身を含む): 91830060

約数和(自身を除く): 52333340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 493709, 987418, 1974836, 2468545, 3949672, 4937090, 7899344, 9874180, 19748360, 39496720]

約数ペア:

[(1, 39496720), (2, 19748360), (4, 9874180), (5, 7899344), (8, 4937090), (10, 3949672), (16, 2468545), (20, 1974836), (40, 987418), (80, 493709)]