155702980

素因数分解:

$2^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{6397}}^1$

素因数の和:7623

約数の個数: 24

約数和(自身を含む): 327296088

約数和(自身を除く): 171593108

約数列:

[1, 2, 4, 5, 10, 20, 1217, 2434, 4868, 6085, 6397, 12170, 12794, 24340, 25588, 31985, 63970, 127940, 7785149, 15570298, 31140596, 38925745, 77851490, 155702980]

約数ペア:

[(1, 155702980), (2, 77851490), (4, 38925745), (5, 31140596), (10, 15570298), (20, 7785149), (1217, 127940), (2434, 63970), (4868, 31985), (6085, 25588), (6397, 24340), (12170, 12794)]