7279820

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2011}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 15379728

約数和(自身を除く): 8099908

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 2011, 3620, 4022, 8044, 10055, 20110, 40220, 363991, 727982, 1455964, 1819955, 3639910, 7279820]

約数ペア:

[(1, 7279820), (2, 3639910), (4, 1819955), (5, 1455964), (10, 727982), (20, 363991), (181, 40220), (362, 20110), (724, 10055), (905, 8044), (1810, 4022), (2011, 3620)]