81268030

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{78901}}^1$

素因数の和:79011

約数の個数: 16

約数和(自身を含む): 147704544

約数和(自身を除く): 66436514

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 78901, 157802, 394505, 789010, 8126803, 16253606, 40634015, 81268030]

約数ペア:

[(1, 81268030), (2, 40634015), (5, 16253606), (10, 8126803), (103, 789010), (206, 394505), (515, 157802), (1030, 78901)]