83942800

素因数分解:

$2^4\times 5^2\times {\mathrm{209857}}^1$

素因数の和:209875

約数の個数: 30

約数和(自身を含む): 201673538

約数和(自身を除く): 117730738

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 209857, 419714, 839428, 1049285, 1678856, 2098570, 3357712, 4197140, 5246425, 8394280, 10492850, 16788560, 20985700, 41971400, 83942800]

約数ペア:

[(1, 83942800), (2, 41971400), (4, 20985700), (5, 16788560), (8, 10492850), (10, 8394280), (16, 5246425), (20, 4197140), (25, 3357712), (40, 2098570), (50, 1678856), (80, 1049285), (100, 839428), (200, 419714), (400, 209857)]