70320820

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{15767}}^1$

素因数の和:15999

約数の個数: 24

約数和(自身を含む): 148345344

約数和(自身を除く): 78024524

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 15767, 31534, 63068, 78835, 157670, 315340, 3516041, 7032082, 14064164, 17580205, 35160410, 70320820]

約数ペア:

[(1, 70320820), (2, 35160410), (4, 17580205), (5, 14064164), (10, 7032082), (20, 3516041), (223, 315340), (446, 157670), (892, 78835), (1115, 63068), (2230, 31534), (4460, 15767)]