140121920

素因数分解:

$2^6\times 5^1\times {\mathrm{437881}}^1$

素因数の和:437898

約数の個数: 28

約数和(自身を含む): 333666084

約数和(自身を除く): 193544164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 437881, 875762, 1751524, 2189405, 3503048, 4378810, 7006096, 8757620, 14012192, 17515240, 28024384, 35030480, 70060960, 140121920]

約数ペア:

[(1, 140121920), (2, 70060960), (4, 35030480), (5, 28024384), (8, 17515240), (10, 14012192), (16, 8757620), (20, 7006096), (32, 4378810), (40, 3503048), (64, 2189405), (80, 1751524), (160, 875762), (320, 437881)]