67326740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258949}}^1$

素因数の和:258971

約数の個数: 24

約数和(自身を含む): 152262600

約数和(自身を除く): 84935860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 258949, 517898, 1035796, 1294745, 2589490, 3366337, 5178980, 6732674, 13465348, 16831685, 33663370, 67326740]

約数ペア:

[(1, 67326740), (2, 33663370), (4, 16831685), (5, 13465348), (10, 6732674), (13, 5178980), (20, 3366337), (26, 2589490), (52, 1294745), (65, 1035796), (130, 517898), (260, 258949)]