8405200

素因数分解:

$2^4\times 5^2\times {\mathrm{21013}}^1$

素因数の和:21031

約数の個数: 30

約数和(自身を含む): 20194454

約数和(自身を除く): 11789254

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 21013, 42026, 84052, 105065, 168104, 210130, 336208, 420260, 525325, 840520, 1050650, 1681040, 2101300, 4202600, 8405200]

約数ペア:

[(1, 8405200), (2, 4202600), (4, 2101300), (5, 1681040), (8, 1050650), (10, 840520), (16, 525325), (20, 420260), (25, 336208), (40, 210130), (50, 168104), (80, 105065), (100, 84052), (200, 42026), (400, 21013)]