7789340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29959}}^1$

素因数の和:29981

約数の個数: 24

約数和(自身を含む): 17616480

約数和(自身を除く): 9827140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 29959, 59918, 119836, 149795, 299590, 389467, 599180, 778934, 1557868, 1947335, 3894670, 7789340]

約数ペア:

[(1, 7789340), (2, 3894670), (4, 1947335), (5, 1557868), (10, 778934), (13, 599180), (20, 389467), (26, 299590), (52, 149795), (65, 119836), (130, 59918), (260, 29959)]