9989680

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 23382432

約数和(自身を除く): 13392752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 647, 772, 965, 1294, 1544, 1930, 2588, 3088, 3235, 3860, 5176, 6470, 7720, 10352, 12940, 15440, 25880, 51760, 124871, 249742, 499484, 624355, 998968, 1248710, 1997936, 2497420, 4994840, 9989680]

約数ペア:

[(1, 9989680), (2, 4994840), (4, 2497420), (5, 1997936), (8, 1248710), (10, 998968), (16, 624355), (20, 499484), (40, 249742), (80, 124871), (193, 51760), (386, 25880), (647, 15440), (772, 12940), (965, 10352), (1294, 7720), (1544, 6470), (1930, 5176), (2588, 3860), (3088, 3235)]