4212400

素因数分解:

$2^4\times 5^2\times {\mathrm{10531}}^1$

素因数の和:10549

約数の個数: 30

約数和(自身を含む): 10121252

約数和(自身を除く): 5908852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 10531, 21062, 42124, 52655, 84248, 105310, 168496, 210620, 263275, 421240, 526550, 842480, 1053100, 2106200, 4212400]

約数ペア:

[(1, 4212400), (2, 2106200), (4, 1053100), (5, 842480), (8, 526550), (10, 421240), (16, 263275), (20, 210620), (25, 168496), (40, 105310), (50, 84248), (80, 52655), (100, 42124), (200, 21062), (400, 10531)]