79768720

素因数分解:

$2^4\times 5^1\times {\mathrm{997109}}^1$

素因数の和:997122

約数の個数: 20

約数和(自身を含む): 185462460

約数和(自身を除く): 105693740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997109, 1994218, 3988436, 4985545, 7976872, 9971090, 15953744, 19942180, 39884360, 79768720]

約数ペア:

[(1, 79768720), (2, 39884360), (4, 19942180), (5, 15953744), (8, 9971090), (10, 7976872), (16, 4985545), (20, 3988436), (40, 1994218), (80, 997109)]