13305848180

素因数分解:

$2^2\times 5^1\times {\mathrm{665292409}}^1$

素因数の和:665292418

約数の個数: 12

約数和(自身を含む): 27942281220

約数和(自身を除く): 14636433040

約数列:

[1, 2, 4, 5, 10, 20, 665292409, 1330584818, 2661169636, 3326462045, 6652924090, 13305848180]

約数ペア:

[(1, 13305848180), (2, 6652924090), (4, 3326462045), (5, 2661169636), (10, 1330584818), (20, 665292409)]