12650390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 24192000

約数和(自身を除く): 11541610

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 479, 695, 958, 1390, 2395, 2641, 4790, 5282, 9101, 13205, 18202, 26410, 45505, 66581, 91010, 133162, 332905, 665810, 1265039, 2530078, 6325195, 12650390]

約数ペア:

[(1, 12650390), (2, 6325195), (5, 2530078), (10, 1265039), (19, 665810), (38, 332905), (95, 133162), (139, 91010), (190, 66581), (278, 45505), (479, 26410), (695, 18202), (958, 13205), (1390, 9101), (2395, 5282), (2641, 4790)]