23438740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90149}}^1$

素因数の和:90171

約数の個数: 24

約数和(自身を含む): 53008200

約数和(自身を除く): 29569460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 90149, 180298, 360596, 450745, 901490, 1171937, 1802980, 2343874, 4687748, 5859685, 11719370, 23438740]

約数ペア:

[(1, 23438740), (2, 11719370), (4, 5859685), (5, 4687748), (10, 2343874), (13, 1802980), (20, 1171937), (26, 901490), (52, 450745), (65, 360596), (130, 180298), (260, 90149)]