670930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1$

素因数の和:430

約数の個数: 24

約数和(自身を含む): 1311012

約数和(自身を除く): 640082

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 397, 794, 845, 1690, 1985, 3970, 5161, 10322, 25805, 51610, 67093, 134186, 335465, 670930]

約数ペア:

[(1, 670930), (2, 335465), (5, 134186), (10, 67093), (13, 51610), (26, 25805), (65, 10322), (130, 5161), (169, 3970), (338, 1985), (397, 1690), (794, 845)]