4955760400

素因数分解:

$2^4\times 5^2\times {\mathrm{12389401}}^1$

素因数の和:12389419

約数の個数: 30

約数和(自身を含む): 11906215322

約数和(自身を除く): 6950454922

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 12389401, 24778802, 49557604, 61947005, 99115208, 123894010, 198230416, 247788020, 309735025, 495576040, 619470050, 991152080, 1238940100, 2477880200, 4955760400]

約数ペア:

[(1, 4955760400), (2, 2477880200), (4, 1238940100), (5, 991152080), (8, 619470050), (10, 495576040), (16, 309735025), (20, 247788020), (25, 198230416), (40, 123894010), (50, 99115208), (80, 61947005), (100, 49557604), (200, 24778802), (400, 12389401)]