80931460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139537}}^1$

素因数の和:139575

約数の個数: 24

約数和(自身を含む): 175817880

約数和(自身を除く): 94886420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 139537, 279074, 558148, 697685, 1395370, 2790740, 4046573, 8093146, 16186292, 20232865, 40465730, 80931460]

約数ペア:

[(1, 80931460), (2, 40465730), (4, 20232865), (5, 16186292), (10, 8093146), (20, 4046573), (29, 2790740), (58, 1395370), (116, 697685), (145, 558148), (290, 279074), (580, 139537)]