42086980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161873}}^1$

素因数の和:161895

約数の個数: 24

約数和(自身を含む): 95181912

約数和(自身を除く): 53094932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 161873, 323746, 647492, 809365, 1618730, 2104349, 3237460, 4208698, 8417396, 10521745, 21043490, 42086980]

約数ペア:

[(1, 42086980), (2, 21043490), (4, 10521745), (5, 8417396), (10, 4208698), (13, 3237460), (20, 2104349), (26, 1618730), (52, 809365), (65, 647492), (130, 323746), (260, 161873)]