78748820

素因数分解:

$2^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{2767}}^1$

素因数の和:4199

約数の個数: 24

約数和(自身を含む): 165548544

約数和(自身を除く): 86799724

約数列:

[1, 2, 4, 5, 10, 20, 1423, 2767, 2846, 5534, 5692, 7115, 11068, 13835, 14230, 27670, 28460, 55340, 3937441, 7874882, 15749764, 19687205, 39374410, 78748820]

約数ペア:

[(1, 78748820), (2, 39374410), (4, 19687205), (5, 15749764), (10, 7874882), (20, 3937441), (1423, 55340), (2767, 28460), (2846, 27670), (5534, 14230), (5692, 13835), (7115, 11068)]