12707540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15497}}^1$

素因数の和:15547

約数の個数: 24

約数和(自身を含む): 27338472

約数和(自身を除く): 14630932

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15497, 30994, 61988, 77485, 154970, 309940, 635377, 1270754, 2541508, 3176885, 6353770, 12707540]

約数ペア:

[(1, 12707540), (2, 6353770), (4, 3176885), (5, 2541508), (10, 1270754), (20, 635377), (41, 309940), (82, 154970), (164, 77485), (205, 61988), (410, 30994), (820, 15497)]