204702140

素因数分解:

$2^2\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{3923}}^1$

素因数の和:6541

約数の個数: 24

約数和(自身を含む): 430148880

約数和(自身を除く): 225446740

約数列:

[1, 2, 4, 5, 10, 20, 2609, 3923, 5218, 7846, 10436, 13045, 15692, 19615, 26090, 39230, 52180, 78460, 10235107, 20470214, 40940428, 51175535, 102351070, 204702140]

約数ペア:

[(1, 204702140), (2, 102351070), (4, 51175535), (5, 40940428), (10, 20470214), (20, 10235107), (2609, 78460), (3923, 52180), (5218, 39230), (7846, 26090), (10436, 19615), (13045, 15692)]