15492040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9007}}^1$

素因数の和:9061

約数の個数: 32

約数和(自身を含む): 35671680

約数和(自身を除く): 20179640

約数列:

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

約数ペア:

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