669384080

素因数分解:

$2^4\times 5^1\times {\mathrm{8367301}}^1$

素因数の和:8367314

約数の個数: 20

約数和(自身を含む): 1556318172

約数和(自身を除く): 886934092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8367301, 16734602, 33469204, 41836505, 66938408, 83673010, 133876816, 167346020, 334692040, 669384080]

約数ペア:

[(1, 669384080), (2, 334692040), (4, 167346020), (5, 133876816), (8, 83673010), (10, 66938408), (16, 41836505), (20, 33469204), (40, 16734602), (80, 8367301)]