20052400

素因数分解:

$2^4\times 5^2\times {\mathrm{50131}}^1$

素因数の和:50149

約数の個数: 30

約数和(自身を含む): 48176852

約数和(自身を除く): 28124452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50131, 100262, 200524, 250655, 401048, 501310, 802096, 1002620, 1253275, 2005240, 2506550, 4010480, 5013100, 10026200, 20052400]

約数ペア:

[(1, 20052400), (2, 10026200), (4, 5013100), (5, 4010480), (8, 2506550), (10, 2005240), (16, 1253275), (20, 1002620), (25, 802096), (40, 501310), (50, 401048), (80, 250655), (100, 200524), (200, 100262), (400, 50131)]