40806740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12073}}^1$

素因数の和:12108

約数の個数: 36

約数和(自身を含む): 92800764

約数和(自身を除く): 51994024

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 12073, 24146, 48292, 60365, 120730, 156949, 241460, 313898, 627796, 784745, 1569490, 2040337, 3138980, 4080674, 8161348, 10201685, 20403370, 40806740]

約数ペア:

[(1, 40806740), (2, 20403370), (4, 10201685), (5, 8161348), (10, 4080674), (13, 3138980), (20, 2040337), (26, 1569490), (52, 784745), (65, 627796), (130, 313898), (169, 241460), (260, 156949), (338, 120730), (676, 60365), (845, 48292), (1690, 24146), (3380, 12073)]