7936540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4091}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 16842672

約数和(自身を除く): 8906132

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 4091, 8182, 16364, 20455, 40910, 81820, 396827, 793654, 1587308, 1984135, 3968270, 7936540]

約数ペア:

[(1, 7936540), (2, 3968270), (4, 1984135), (5, 1587308), (10, 793654), (20, 396827), (97, 81820), (194, 40910), (388, 20455), (485, 16364), (970, 8182), (1940, 4091)]