42000080

素因数分解:

$2^4\times 5^1\times {\mathrm{525001}}^1$

素因数の和:525014

約数の個数: 20

約数和(自身を含む): 97650372

約数和(自身を除く): 55650292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525001, 1050002, 2100004, 2625005, 4200008, 5250010, 8400016, 10500020, 21000040, 42000080]

約数ペア:

[(1, 42000080), (2, 21000040), (4, 10500020), (5, 8400016), (8, 5250010), (10, 4200008), (16, 2625005), (20, 2100004), (40, 1050002), (80, 525001)]