80864060

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{4889}}^1$

素因数の和:5725

約数の個数: 24

約数和(自身を含む): 170054640

約数和(自身を除く): 89190580

約数列:

[1, 2, 4, 5, 10, 20, 827, 1654, 3308, 4135, 4889, 8270, 9778, 16540, 19556, 24445, 48890, 97780, 4043203, 8086406, 16172812, 20216015, 40432030, 80864060]

約数ペア:

[(1, 80864060), (2, 40432030), (4, 20216015), (5, 16172812), (10, 8086406), (20, 4043203), (827, 97780), (1654, 48890), (3308, 24445), (4135, 19556), (4889, 16540), (8270, 9778)]