77619760

素因数分解:

$2^4\times 5^1\times {\mathrm{970247}}^1$

素因数の和:970260

約数の個数: 20

約数和(自身を含む): 180466128

約数和(自身を除く): 102846368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 970247, 1940494, 3880988, 4851235, 7761976, 9702470, 15523952, 19404940, 38809880, 77619760]

約数ペア:

[(1, 77619760), (2, 38809880), (4, 19404940), (5, 15523952), (8, 9702470), (10, 7761976), (16, 4851235), (20, 3880988), (40, 1940494), (80, 970247)]