28505200

素因数分解:

$2^4\times 5^2\times {\mathrm{71263}}^1$

素因数の和:71281

約数の個数: 30

約数和(自身を含む): 68484704

約数和(自身を除く): 39979504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71263, 142526, 285052, 356315, 570104, 712630, 1140208, 1425260, 1781575, 2850520, 3563150, 5701040, 7126300, 14252600, 28505200]

約数ペア:

[(1, 28505200), (2, 14252600), (4, 7126300), (5, 5701040), (8, 3563150), (10, 2850520), (16, 1781575), (20, 1425260), (25, 1140208), (40, 712630), (50, 570104), (80, 356315), (100, 285052), (200, 142526), (400, 71263)]