155961920

素因数分解:

$2^6\times 5^1\times {\mathrm{487381}}^1$

素因数の和:487398

約数の個数: 28

約数和(自身を含む): 371385084

約数和(自身を除く): 215423164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 487381, 974762, 1949524, 2436905, 3899048, 4873810, 7798096, 9747620, 15596192, 19495240, 31192384, 38990480, 77980960, 155961920]

約数ペア:

[(1, 155961920), (2, 77980960), (4, 38990480), (5, 31192384), (8, 19495240), (10, 15596192), (16, 9747620), (20, 7798096), (32, 4873810), (40, 3899048), (64, 2436905), (80, 1949524), (160, 974762), (320, 487381)]