20136400

素因数分解:

$2^4\times 5^2\times {\mathrm{50341}}^1$

素因数の和:50359

約数の個数: 30

約数和(自身を含む): 48378662

約数和(自身を除く): 28242262

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50341, 100682, 201364, 251705, 402728, 503410, 805456, 1006820, 1258525, 2013640, 2517050, 4027280, 5034100, 10068200, 20136400]

約数ペア:

[(1, 20136400), (2, 10068200), (4, 5034100), (5, 4027280), (8, 2517050), (10, 2013640), (16, 1258525), (20, 1006820), (25, 805456), (40, 503410), (50, 402728), (80, 251705), (100, 201364), (200, 100682), (400, 50341)]