40118020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^2$

素因数の和:564

約数の個数: 36

約数和(自身を含む): 87485580

約数和(自身を除く): 47367560

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 263, 290, 526, 580, 1052, 1315, 2630, 5260, 7627, 15254, 30508, 38135, 69169, 76270, 138338, 152540, 276676, 345845, 691690, 1383380, 2005901, 4011802, 8023604, 10029505, 20059010, 40118020]

約数ペア:

[(1, 40118020), (2, 20059010), (4, 10029505), (5, 8023604), (10, 4011802), (20, 2005901), (29, 1383380), (58, 691690), (116, 345845), (145, 276676), (263, 152540), (290, 138338), (526, 76270), (580, 69169), (1052, 38135), (1315, 30508), (2630, 15254), (5260, 7627)]