44444440

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4649}}^1$

素因数の和:4899

約数の個数: 32

約数和(自身を含む): 100440000

約数和(自身を除く): 55995560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4649, 4780, 9298, 9560, 18596, 23245, 37192, 46490, 92980, 185960, 1111111, 2222222, 4444444, 5555555, 8888888, 11111110, 22222220, 44444440]

約数ペア:

[(1, 44444440), (2, 22222220), (4, 11111110), (5, 8888888), (8, 5555555), (10, 4444444), (20, 2222222), (40, 1111111), (239, 185960), (478, 92980), (956, 46490), (1195, 37192), (1912, 23245), (2390, 18596), (4649, 9560), (4780, 9298)]