7116440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2099

約数の個数: 32

約数和(自身を含む): 16200000

約数和(自身を除く): 9083560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 1999, 3560, 3998, 7996, 9995, 15992, 19990, 39980, 79960, 177911, 355822, 711644, 889555, 1423288, 1779110, 3558220, 7116440]

約数ペア:

[(1, 7116440), (2, 3558220), (4, 1779110), (5, 1423288), (8, 889555), (10, 711644), (20, 355822), (40, 177911), (89, 79960), (178, 39980), (356, 19990), (445, 15992), (712, 9995), (890, 7996), (1780, 3998), (1999, 3560)]