28506850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{13259}}^1$

素因数の和:13314

約数の個数: 24

約数和(自身を含む): 54259920

約数和(自身を除く): 25753070

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 13259, 26518, 66295, 132590, 331475, 570137, 662950, 1140274, 2850685, 5701370, 14253425, 28506850]

約数ペア:

[(1, 28506850), (2, 14253425), (5, 5701370), (10, 2850685), (25, 1140274), (43, 662950), (50, 570137), (86, 331475), (215, 132590), (430, 66295), (1075, 26518), (2150, 13259)]