45000040

素因数分解:

$2^3\times 5^1\times {\mathrm{1125001}}^1$

素因数の和:1125012

約数の個数: 16

約数和(自身を含む): 101250180

約数和(自身を除く): 56250140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1125001, 2250002, 4500004, 5625005, 9000008, 11250010, 22500020, 45000040]

約数ペア:

[(1, 45000040), (2, 22500020), (4, 11250010), (5, 9000008), (8, 5625005), (10, 4500004), (20, 2250002), (40, 1125001)]