64197940

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{5087}}^1$

素因数の和:5727

約数の個数: 24

約数和(自身を含む): 135055872

約数和(自身を除く): 70857932

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 5087, 6310, 10174, 12620, 20348, 25435, 50870, 101740, 3209897, 6419794, 12839588, 16049485, 32098970, 64197940]

約数ペア:

[(1, 64197940), (2, 32098970), (4, 16049485), (5, 12839588), (10, 6419794), (20, 3209897), (631, 101740), (1262, 50870), (2524, 25435), (3155, 20348), (5087, 12620), (6310, 10174)]