1806740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6949}}^1$

素因数の和:6971

約数の個数: 24

約数和(自身を含む): 4086600

約数和(自身を除く): 2279860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6949, 13898, 27796, 34745, 69490, 90337, 138980, 180674, 361348, 451685, 903370, 1806740]

約数ペア:

[(1, 1806740), (2, 903370), (4, 451685), (5, 361348), (10, 180674), (13, 138980), (20, 90337), (26, 69490), (52, 34745), (65, 27796), (130, 13898), (260, 6949)]