64912090

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{20477}}^1$

素因数の和:20801

約数の個数: 16

約数和(自身を含む): 117216072

約数和(自身を除く): 52303982

約数列:

[1, 2, 5, 10, 317, 634, 1585, 3170, 20477, 40954, 102385, 204770, 6491209, 12982418, 32456045, 64912090]

約数ペア:

[(1, 64912090), (2, 32456045), (5, 12982418), (10, 6491209), (317, 204770), (634, 102385), (1585, 40954), (3170, 20477)]