30982360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18013}}^1$

素因数の和:18067

約数の個数: 32

約数和(自身を含む): 71335440

約数和(自身を除く): 40353080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 18013, 36026, 72052, 90065, 144104, 180130, 360260, 720520, 774559, 1549118, 3098236, 3872795, 6196472, 7745590, 15491180, 30982360]

約数ペア:

[(1, 30982360), (2, 15491180), (4, 7745590), (5, 6196472), (8, 3872795), (10, 3098236), (20, 1549118), (40, 774559), (43, 720520), (86, 360260), (172, 180130), (215, 144104), (344, 90065), (430, 72052), (860, 36026), (1720, 18013)]