129951020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{29137}}^1$

素因数の和:29369

約数の個数: 24

約数和(自身を含む): 274130304

約数和(自身を除く): 144179284

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 29137, 58274, 116548, 145685, 291370, 582740, 6497551, 12995102, 25990204, 32487755, 64975510, 129951020]

約数ペア:

[(1, 129951020), (2, 64975510), (4, 32487755), (5, 25990204), (10, 12995102), (20, 6497551), (223, 582740), (446, 291370), (892, 145685), (1115, 116548), (2230, 58274), (4460, 29137)]