6436400

素因数分解:

$2^4\times 5^2\times {\mathrm{16091}}^1$

素因数の和:16109

約数の個数: 30

約数和(自身を含む): 15464412

約数和(自身を除く): 9028012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 16091, 32182, 64364, 80455, 128728, 160910, 257456, 321820, 402275, 643640, 804550, 1287280, 1609100, 3218200, 6436400]

約数ペア:

[(1, 6436400), (2, 3218200), (4, 1609100), (5, 1287280), (8, 804550), (10, 643640), (16, 402275), (20, 321820), (25, 257456), (40, 160910), (50, 128728), (80, 80455), (100, 64364), (200, 32182), (400, 16091)]