49600400

素因数分解:

$2^4\times 5^2\times {\mathrm{124001}}^1$

素因数の和:124019

約数の個数: 30

約数和(自身を含む): 119165922

約数和(自身を除く): 69565522

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 124001, 248002, 496004, 620005, 992008, 1240010, 1984016, 2480020, 3100025, 4960040, 6200050, 9920080, 12400100, 24800200, 49600400]

約数ペア:

[(1, 49600400), (2, 24800200), (4, 12400100), (5, 9920080), (8, 6200050), (10, 4960040), (16, 3100025), (20, 2480020), (25, 1984016), (40, 1240010), (50, 992008), (80, 620005), (100, 496004), (200, 248002), (400, 124001)]