83554420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{31891}}^1$

素因数の和:32031

約数の個数: 24

約数和(自身を含む): 176809248

約数和(自身を除く): 93254828

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 31891, 63782, 127564, 159455, 318910, 637820, 4177721, 8355442, 16710884, 20888605, 41777210, 83554420]

約数ペア:

[(1, 83554420), (2, 41777210), (4, 20888605), (5, 16710884), (10, 8355442), (20, 4177721), (131, 637820), (262, 318910), (524, 159455), (655, 127564), (1310, 63782), (2620, 31891)]