123858040

素因数分解:

$2^3\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{1999}}^1$

素因数の和:3559

約数の個数: 32

約数和(自身を含む): 279000000

約数和(自身を除く): 155141960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1549, 1999, 3098, 3998, 6196, 7745, 7996, 9995, 12392, 15490, 15992, 19990, 30980, 39980, 61960, 79960, 3096451, 6192902, 12385804, 15482255, 24771608, 30964510, 61929020, 123858040]

約数ペア:

[(1, 123858040), (2, 61929020), (4, 30964510), (5, 24771608), (8, 15482255), (10, 12385804), (20, 6192902), (40, 3096451), (1549, 79960), (1999, 61960), (3098, 39980), (3998, 30980), (6196, 19990), (7745, 15992), (7996, 15490), (9995, 12392)]