84052400

素因数分解:

$2^4\times 5^2\times {\mathrm{210131}}^1$

素因数の和:210149

約数の個数: 30

約数和(自身を含む): 201936852

約数和(自身を除く): 117884452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 210131, 420262, 840524, 1050655, 1681048, 2101310, 3362096, 4202620, 5253275, 8405240, 10506550, 16810480, 21013100, 42026200, 84052400]

約数ペア:

[(1, 84052400), (2, 42026200), (4, 21013100), (5, 16810480), (8, 10506550), (10, 8405240), (16, 5253275), (20, 4202620), (25, 3362096), (40, 2101310), (50, 1681048), (80, 1050655), (100, 840524), (200, 420262), (400, 210131)]