130026620

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{13241}}^1$

素因数の和:13741

約数の個数: 24

約数和(自身を含む): 273632688

約数和(自身を除く): 143606068

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 13241, 26482, 52964, 66205, 132410, 264820, 6501331, 13002662, 26005324, 32506655, 65013310, 130026620]

約数ペア:

[(1, 130026620), (2, 65013310), (4, 32506655), (5, 26005324), (10, 13002662), (20, 6501331), (491, 264820), (982, 132410), (1964, 66205), (2455, 52964), (4910, 26482), (9820, 13241)]