77965540

素因数分解:

$2^2\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{2441}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 163897272

約数和(自身を除く): 85931732

約数列:

[1, 2, 4, 5, 10, 20, 1597, 2441, 3194, 4882, 6388, 7985, 9764, 12205, 15970, 24410, 31940, 48820, 3898277, 7796554, 15593108, 19491385, 38982770, 77965540]

約数ペア:

[(1, 77965540), (2, 38982770), (4, 19491385), (5, 15593108), (10, 7796554), (20, 3898277), (1597, 48820), (2441, 31940), (3194, 24410), (4882, 15970), (6388, 12205), (7985, 9764)]