79932040

素因数分解:

$2^3\times 5^1\times {\mathrm{1998301}}^1$

素因数の和:1998312

約数の個数: 16

約数和(自身を含む): 179847180

約数和(自身を除く): 99915140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1998301, 3996602, 7993204, 9991505, 15986408, 19983010, 39966020, 79932040]

約数ペア:

[(1, 79932040), (2, 39966020), (4, 19983010), (5, 15986408), (8, 9991505), (10, 7993204), (20, 3996602), (40, 1998301)]