85252400

素因数分解:

$2^4\times 5^2\times {\mathrm{213131}}^1$

素因数の和:213149

約数の個数: 30

約数和(自身を含む): 204819852

約数和(自身を除く): 119567452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 213131, 426262, 852524, 1065655, 1705048, 2131310, 3410096, 4262620, 5328275, 8525240, 10656550, 17050480, 21313100, 42626200, 85252400]

約数ペア:

[(1, 85252400), (2, 42626200), (4, 21313100), (5, 17050480), (8, 10656550), (10, 8525240), (16, 5328275), (20, 4262620), (25, 3410096), (40, 2131310), (50, 1705048), (80, 1065655), (100, 852524), (200, 426262), (400, 213131)]