4994840

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 11314080

約数和(自身を除く): 6319240

約数列:

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

約数ペア:

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