1625968720

素因数分解:

$2^4\times 5^1\times {\mathrm{20324609}}^1$

素因数の和:20324622

約数の個数: 20

約数和(自身を含む): 3780377460

約数和(自身を除く): 2154408740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20324609, 40649218, 81298436, 101623045, 162596872, 203246090, 325193744, 406492180, 812984360, 1625968720]

約数ペア:

[(1, 1625968720), (2, 812984360), (4, 406492180), (5, 325193744), (8, 203246090), (10, 162596872), (16, 101623045), (20, 81298436), (40, 40649218), (80, 20324609)]