16325720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5591}}^1$

素因数の和:5675

約数の個数: 32

約数和(自身を含む): 37242720

約数和(自身を除く): 20917000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5591, 11182, 22364, 27955, 44728, 55910, 111820, 223640, 408143, 816286, 1632572, 2040715, 3265144, 4081430, 8162860, 16325720]

約数ペア:

[(1, 16325720), (2, 8162860), (4, 4081430), (5, 3265144), (8, 2040715), (10, 1632572), (20, 816286), (40, 408143), (73, 223640), (146, 111820), (292, 55910), (365, 44728), (584, 27955), (730, 22364), (1460, 11182), (2920, 5591)]