25000280

素因数分解:

$2^3\times 5^1\times {\mathrm{625007}}^1$

素因数の和:625018

約数の個数: 16

約数和(自身を含む): 56250720

約数和(自身を除く): 31250440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 625007, 1250014, 2500028, 3125035, 5000056, 6250070, 12500140, 25000280]

約数ペア:

[(1, 25000280), (2, 12500140), (4, 6250070), (5, 5000056), (8, 3125035), (10, 2500028), (20, 1250014), (40, 625007)]