28381400

素因数分解:

$2^3\times 5^2\times {\mathrm{141907}}^1$

素因数の和:141923

約数の個数: 24

約数和(自身を含む): 65987220

約数和(自身を除く): 37605820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 141907, 283814, 567628, 709535, 1135256, 1419070, 2838140, 3547675, 5676280, 7095350, 14190700, 28381400]

約数ペア:

[(1, 28381400), (2, 14190700), (4, 7095350), (5, 5676280), (8, 3547675), (10, 2838140), (20, 1419070), (25, 1135256), (40, 709535), (50, 567628), (100, 283814), (200, 141907)]