8412400

素因数分解:

$2^4\times 5^2\times {\mathrm{21031}}^1$

素因数の和:21049

約数の個数: 30

約数和(自身を含む): 20211752

約数和(自身を除く): 11799352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 21031, 42062, 84124, 105155, 168248, 210310, 336496, 420620, 525775, 841240, 1051550, 1682480, 2103100, 4206200, 8412400]

約数ペア:

[(1, 8412400), (2, 4206200), (4, 2103100), (5, 1682480), (8, 1051550), (10, 841240), (16, 525775), (20, 420620), (25, 336496), (40, 210310), (50, 168248), (80, 105155), (100, 84124), (200, 42062), (400, 21031)]