172648240

素因数分解:

$2^4\times 5^1\times {\mathrm{2158103}}^1$

素因数の和:2158116

約数の個数: 20

約数和(自身を含む): 401407344

約数和(自身を除く): 228759104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2158103, 4316206, 8632412, 10790515, 17264824, 21581030, 34529648, 43162060, 86324120, 172648240]

約数ペア:

[(1, 172648240), (2, 86324120), (4, 43162060), (5, 34529648), (8, 21581030), (10, 17264824), (16, 10790515), (20, 8632412), (40, 4316206), (80, 2158103)]