12915340

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1861}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 27214992

約数和(自身を除く): 14299652

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 1861, 3470, 3722, 6940, 7444, 9305, 18610, 37220, 645767, 1291534, 2583068, 3228835, 6457670, 12915340]

約数ペア:

[(1, 12915340), (2, 6457670), (4, 3228835), (5, 2583068), (10, 1291534), (20, 645767), (347, 37220), (694, 18610), (1388, 9305), (1735, 7444), (1861, 6940), (3470, 3722)]