79781200

素因数分解:

$2^4\times 5^2\times {\mathrm{199453}}^1$

素因数の和:199471

約数の個数: 30

約数和(自身を含む): 191675294

約数和(自身を除く): 111894094

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 199453, 398906, 797812, 997265, 1595624, 1994530, 3191248, 3989060, 4986325, 7978120, 9972650, 15956240, 19945300, 39890600, 79781200]

約数ペア:

[(1, 79781200), (2, 39890600), (4, 19945300), (5, 15956240), (8, 9972650), (10, 7978120), (16, 4986325), (20, 3989060), (25, 3191248), (40, 1994530), (50, 1595624), (80, 997265), (100, 797812), (200, 398906), (400, 199453)]