25806160

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1979}}^1$

素因数の和:2155

約数の個数: 40

約数和(自身を含む): 60397920

約数和(自身を除く): 34591760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 1979, 2608, 3260, 3958, 6520, 7916, 9895, 13040, 15832, 19790, 31664, 39580, 79160, 158320, 322577, 645154, 1290308, 1612885, 2580616, 3225770, 5161232, 6451540, 12903080, 25806160]

約数ペア:

[(1, 25806160), (2, 12903080), (4, 6451540), (5, 5161232), (8, 3225770), (10, 2580616), (16, 1612885), (20, 1290308), (40, 645154), (80, 322577), (163, 158320), (326, 79160), (652, 39580), (815, 31664), (1304, 19790), (1630, 15832), (1979, 13040), (2608, 9895), (3260, 7916), (3958, 6520)]