201330400

素因数分解:

$2^5\times 5^2\times {\mathrm{251663}}^1$

素因数の和:251683

約数の個数: 36

約数和(自身を含む): 491499792

約数和(自身を除く): 290169392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 251663, 503326, 1006652, 1258315, 2013304, 2516630, 4026608, 5033260, 6291575, 8053216, 10066520, 12583150, 20133040, 25166300, 40266080, 50332600, 100665200, 201330400]

約数ペア:

[(1, 201330400), (2, 100665200), (4, 50332600), (5, 40266080), (8, 25166300), (10, 20133040), (16, 12583150), (20, 10066520), (25, 8053216), (32, 6291575), (40, 5033260), (50, 4026608), (80, 2516630), (100, 2013304), (160, 1258315), (200, 1006652), (400, 503326), (800, 251663)]