77980960

素因数分解:

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

素因数の和:487396

約数の個数: 24

約数和(自身を含む): 184230396

約数和(自身を除く): 106249436

約数列:

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

約数ペア:

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