65196380

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{16381}}^1$

素因数の和:16589

約数の個数: 24

約数和(自身を含む): 137608800

約数和(自身を除く): 72412420

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 16381, 32762, 65524, 81905, 163810, 327620, 3259819, 6519638, 13039276, 16299095, 32598190, 65196380]

約数ペア:

[(1, 65196380), (2, 32598190), (4, 16299095), (5, 13039276), (10, 6519638), (20, 3259819), (199, 327620), (398, 163810), (796, 81905), (995, 65524), (1990, 32762), (3980, 16381)]