8444440

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1973}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 19187280

約数和(自身を除く): 10742840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 1973, 2140, 3946, 4280, 7892, 9865, 15784, 19730, 39460, 78920, 211111, 422222, 844444, 1055555, 1688888, 2111110, 4222220, 8444440]

約数ペア:

[(1, 8444440), (2, 4222220), (4, 2111110), (5, 1688888), (8, 1055555), (10, 844444), (20, 422222), (40, 211111), (107, 78920), (214, 39460), (428, 19730), (535, 15784), (856, 9865), (1070, 7892), (1973, 4280), (2140, 3946)]