30984080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9007}}^1$

素因数の和:9063

約数の個数: 40

約数和(自身を含む): 73721472

約数和(自身を除く): 42737392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 9007, 18014, 36028, 45035, 72056, 90070, 144112, 180140, 360280, 387301, 720560, 774602, 1549204, 1936505, 3098408, 3873010, 6196816, 7746020, 15492040, 30984080]

約数ペア:

[(1, 30984080), (2, 15492040), (4, 7746020), (5, 6196816), (8, 3873010), (10, 3098408), (16, 1936505), (20, 1549204), (40, 774602), (43, 720560), (80, 387301), (86, 360280), (172, 180140), (215, 144112), (344, 90070), (430, 72056), (688, 45035), (860, 36028), (1720, 18014), (3440, 9007)]