4345820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1103}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 9180864

約数和(自身を除く): 4835044

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1103, 1970, 2206, 3940, 4412, 5515, 11030, 22060, 217291, 434582, 869164, 1086455, 2172910, 4345820]

約数ペア:

[(1, 4345820), (2, 2172910), (4, 1086455), (5, 869164), (10, 434582), (20, 217291), (197, 22060), (394, 11030), (788, 5515), (985, 4412), (1103, 3940), (1970, 2206)]