131877080

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{32009}}^1$

素因数の和:32123

約数の個数: 32

約数和(自身を含む): 299613600

約数和(自身を除く): 167736520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 32009, 64018, 128036, 160045, 256072, 320090, 640180, 1280360, 3296927, 6593854, 13187708, 16484635, 26375416, 32969270, 65938540, 131877080]

約数ペア:

[(1, 131877080), (2, 65938540), (4, 32969270), (5, 26375416), (8, 16484635), (10, 13187708), (20, 6593854), (40, 3296927), (103, 1280360), (206, 640180), (412, 320090), (515, 256072), (824, 160045), (1030, 128036), (2060, 64018), (4120, 32009)]