15980960

素因数分解:

$2^5\times 5^1\times {\mathrm{99881}}^1$

素因数の和:99896

約数の個数: 24

約数和(自身を含む): 37755396

約数和(自身を除く): 21774436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 99881, 199762, 399524, 499405, 799048, 998810, 1598096, 1997620, 3196192, 3995240, 7990480, 15980960]

約数ペア:

[(1, 15980960), (2, 7990480), (4, 3995240), (5, 3196192), (8, 1997620), (10, 1598096), (16, 998810), (20, 799048), (32, 499405), (40, 399524), (80, 199762), (160, 99881)]