78800390

素因数分解:

$2^1\times 5^1\times {\mathrm{2551}}^1\times {\mathrm{3089}}^1$

素因数の和:5647

約数の個数: 16

約数和(自身を含む): 141942240

約数和(自身を除く): 63141850

約数列:

[1, 2, 5, 10, 2551, 3089, 5102, 6178, 12755, 15445, 25510, 30890, 7880039, 15760078, 39400195, 78800390]

約数ペア:

[(1, 78800390), (2, 39400195), (5, 15760078), (10, 7880039), (2551, 30890), (3089, 25510), (5102, 15445), (6178, 12755)]