40418020

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4219}}^1$

素因数の和:4707

約数の個数: 24

約数和(自身を含む): 85075200

約数和(自身を除く): 44657180

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4219, 4790, 8438, 9580, 16876, 21095, 42190, 84380, 2020901, 4041802, 8083604, 10104505, 20209010, 40418020]

約数ペア:

[(1, 40418020), (2, 20209010), (4, 10104505), (5, 8083604), (10, 4041802), (20, 2020901), (479, 84380), (958, 42190), (1916, 21095), (2395, 16876), (4219, 9580), (4790, 8438)]