65486680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233881}}^1$

素因数の和:233899

約数の個数: 32

約数和(自身を含む): 168395040

約数和(自身を除く): 102908360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 233881, 467762, 935524, 1169405, 1637167, 1871048, 2338810, 3274334, 4677620, 6548668, 8185835, 9355240, 13097336, 16371670, 32743340, 65486680]

約数ペア:

[(1, 65486680), (2, 32743340), (4, 16371670), (5, 13097336), (7, 9355240), (8, 8185835), (10, 6548668), (14, 4677620), (20, 3274334), (28, 2338810), (35, 1871048), (40, 1637167), (56, 1169405), (70, 935524), (140, 467762), (280, 233881)]