39348740

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4007}}^1$

素因数の和:4507

約数の個数: 24

約数和(自身を含む): 82821312

約数和(自身を除く): 43472572

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4007, 4910, 8014, 9820, 16028, 20035, 40070, 80140, 1967437, 3934874, 7869748, 9837185, 19674370, 39348740]

約数ペア:

[(1, 39348740), (2, 19674370), (4, 9837185), (5, 7869748), (10, 3934874), (20, 1967437), (491, 80140), (982, 40070), (1964, 20035), (2455, 16028), (4007, 9820), (4910, 8014)]