133721920

素因数分解:

$2^6\times 5^1\times {\mathrm{417881}}^1$

素因数の和:417898

約数の個数: 28

約数和(自身を含む): 318426084

約数和(自身を除く): 184704164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 417881, 835762, 1671524, 2089405, 3343048, 4178810, 6686096, 8357620, 13372192, 16715240, 26744384, 33430480, 66860960, 133721920]

約数ペア:

[(1, 133721920), (2, 66860960), (4, 33430480), (5, 26744384), (8, 16715240), (10, 13372192), (16, 8357620), (20, 6686096), (32, 4178810), (40, 3343048), (64, 2089405), (80, 1671524), (160, 835762), (320, 417881)]