80077825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 102452768

約数和(自身を除く): 22374943

約数列:

[1, 5, 25, 43, 163, 215, 457, 815, 1075, 2285, 4075, 7009, 11425, 19651, 35045, 74491, 98255, 175225, 372455, 491275, 1862275, 3203113, 16015565, 80077825]

約数ペア:

[(1, 80077825), (5, 16015565), (25, 3203113), (43, 1862275), (163, 491275), (215, 372455), (457, 175225), (815, 98255), (1075, 74491), (2285, 35045), (4075, 19651), (7009, 11425)]