77247640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9803}}^1$

素因数の和:10011

約数の個数: 32

約数和(自身を含む): 174707280

約数和(自身を除く): 97459640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 9803, 19606, 39212, 49015, 78424, 98030, 196060, 392120, 1931191, 3862382, 7724764, 9655955, 15449528, 19311910, 38623820, 77247640]

約数ペア:

[(1, 77247640), (2, 38623820), (4, 19311910), (5, 15449528), (8, 9655955), (10, 7724764), (20, 3862382), (40, 1931191), (197, 392120), (394, 196060), (788, 98030), (985, 78424), (1576, 49015), (1970, 39212), (3940, 19606), (7880, 9803)]