279161920

素因数分解:

$2^6\times 5^1\times {\mathrm{872381}}^1$

素因数の和:872398

約数の個数: 28

約数和(自身を含む): 664755084

約数和(自身を除く): 385593164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 872381, 1744762, 3489524, 4361905, 6979048, 8723810, 13958096, 17447620, 27916192, 34895240, 55832384, 69790480, 139580960, 279161920]

約数ペア:

[(1, 279161920), (2, 139580960), (4, 69790480), (5, 55832384), (8, 34895240), (10, 27916192), (16, 17447620), (20, 13958096), (32, 8723810), (40, 6979048), (64, 4361905), (80, 3489524), (160, 1744762), (320, 872381)]