129010400

素因数分解:

$2^5\times 5^2\times {\mathrm{161263}}^1$

素因数の和:161283

約数の個数: 36

約数和(自身を含む): 314948592

約数和(自身を除く): 185938192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 161263, 322526, 645052, 806315, 1290104, 1612630, 2580208, 3225260, 4031575, 5160416, 6450520, 8063150, 12901040, 16126300, 25802080, 32252600, 64505200, 129010400]

約数ペア:

[(1, 129010400), (2, 64505200), (4, 32252600), (5, 25802080), (8, 16126300), (10, 12901040), (16, 8063150), (20, 6450520), (25, 5160416), (32, 4031575), (40, 3225260), (50, 2580208), (80, 1612630), (100, 1290104), (160, 806315), (200, 645052), (400, 322526), (800, 161263)]