65938540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{32009}}^1$

素因数の和:32121

約数の個数: 24

約数和(自身を含む): 139819680

約数和(自身を除く): 73881140

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 32009, 64018, 128036, 160045, 320090, 640180, 3296927, 6593854, 13187708, 16484635, 32969270, 65938540]

約数ペア:

[(1, 65938540), (2, 32969270), (4, 16484635), (5, 13187708), (10, 6593854), (20, 3296927), (103, 640180), (206, 320090), (412, 160045), (515, 128036), (1030, 64018), (2060, 32009)]