80968700

素因数分解:

$2^2\times 5^2\times {\mathrm{569}}^1\times {\mathrm{1423}}^1$

素因数の和:2006

約数の個数: 36

約数和(自身を含む): 176134560

約数和(自身を除く): 95165860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 569, 1138, 1423, 2276, 2845, 2846, 5690, 5692, 7115, 11380, 14225, 14230, 28450, 28460, 35575, 56900, 71150, 142300, 809687, 1619374, 3238748, 4048435, 8096870, 16193740, 20242175, 40484350, 80968700]

約数ペア:

[(1, 80968700), (2, 40484350), (4, 20242175), (5, 16193740), (10, 8096870), (20, 4048435), (25, 3238748), (50, 1619374), (100, 809687), (569, 142300), (1138, 71150), (1423, 56900), (2276, 35575), (2845, 28460), (2846, 28450), (5690, 14230), (5692, 14225), (7115, 11380)]