8091980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31123}}^1$

素因数の和:31145

約数の個数: 24

約数和(自身を含む): 18300912

約数和(自身を除く): 10208932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31123, 62246, 124492, 155615, 311230, 404599, 622460, 809198, 1618396, 2022995, 4045990, 8091980]

約数ペア:

[(1, 8091980), (2, 4045990), (4, 2022995), (5, 1618396), (10, 809198), (13, 622460), (20, 404599), (26, 311230), (52, 155615), (65, 124492), (130, 62246), (260, 31123)]