131448040

素因数分解:

$2^3\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{2687}}^1$

素因数の和:3921

約数の個数: 32

約数和(自身を含む): 296110080

約数和(自身を除く): 164662040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1223, 2446, 2687, 4892, 5374, 6115, 9784, 10748, 12230, 13435, 21496, 24460, 26870, 48920, 53740, 107480, 3286201, 6572402, 13144804, 16431005, 26289608, 32862010, 65724020, 131448040]

約数ペア:

[(1, 131448040), (2, 65724020), (4, 32862010), (5, 26289608), (8, 16431005), (10, 13144804), (20, 6572402), (40, 3286201), (1223, 107480), (2446, 53740), (2687, 48920), (4892, 26870), (5374, 24460), (6115, 21496), (9784, 13435), (10748, 12230)]