255492040

素因数分解:

$2^3\times 5^1\times {\mathrm{6387301}}^1$

素因数の和:6387312

約数の個数: 16

約数和(自身を含む): 574857180

約数和(自身を除く): 319365140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6387301, 12774602, 25549204, 31936505, 51098408, 63873010, 127746020, 255492040]

約数ペア:

[(1, 255492040), (2, 127746020), (4, 63873010), (5, 51098408), (8, 31936505), (10, 25549204), (20, 12774602), (40, 6387301)]