180468040

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{9419}}^1$

素因数の和:9909

約数の個数: 32

約数和(自身を含む): 406944000

約数和(自身を除く): 226475960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 9419, 9580, 18838, 19160, 37676, 47095, 75352, 94190, 188380, 376760, 4511701, 9023402, 18046804, 22558505, 36093608, 45117010, 90234020, 180468040]

約数ペア:

[(1, 180468040), (2, 90234020), (4, 45117010), (5, 36093608), (8, 22558505), (10, 18046804), (20, 9023402), (40, 4511701), (479, 376760), (958, 188380), (1916, 94190), (2395, 75352), (3832, 47095), (4790, 37676), (9419, 19160), (9580, 18838)]