80495050

素因数分解:

$2^1\times 5^2\times {\mathrm{1609901}}^1$

素因数の和:1609913

約数の個数: 12

約数和(自身を含む): 149720886

約数和(自身を除く): 69225836

約数列:

[1, 2, 5, 10, 25, 50, 1609901, 3219802, 8049505, 16099010, 40247525, 80495050]

約数ペア:

[(1, 80495050), (2, 40247525), (5, 16099010), (10, 8049505), (25, 3219802), (50, 1609901)]