799492040

素因数分解:

$2^3\times 5^1\times {\mathrm{19987301}}^1$

素因数の和:19987312

約数の個数: 16

約数和(自身を含む): 1798857180

約数和(自身を除く): 999365140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 19987301, 39974602, 79949204, 99936505, 159898408, 199873010, 399746020, 799492040]

約数ペア:

[(1, 799492040), (2, 399746020), (4, 199873010), (5, 159898408), (8, 99936505), (10, 79949204), (20, 39974602), (40, 19987301)]