39980960

素因数分解:

$2^5\times 5^1\times {\mathrm{249881}}^1$

素因数の和:249896

約数の個数: 24

約数和(自身を含む): 94455396

約数和(自身を除く): 54474436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 249881, 499762, 999524, 1249405, 1999048, 2498810, 3998096, 4997620, 7996192, 9995240, 19990480, 39980960]

約数ペア:

[(1, 39980960), (2, 19990480), (4, 9995240), (5, 7996192), (8, 4997620), (10, 3998096), (16, 2498810), (20, 1999048), (32, 1249405), (40, 999524), (80, 499762), (160, 249881)]