127562800

素因数分解:

$2^4\times 5^2\times {\mathrm{318907}}^1$

素因数の和:318925

約数の個数: 30

約数和(自身を含む): 306470588

約数和(自身を除く): 178907788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 318907, 637814, 1275628, 1594535, 2551256, 3189070, 5102512, 6378140, 7972675, 12756280, 15945350, 25512560, 31890700, 63781400, 127562800]

約数ペア:

[(1, 127562800), (2, 63781400), (4, 31890700), (5, 25512560), (8, 15945350), (10, 12756280), (16, 7972675), (20, 6378140), (25, 5102512), (40, 3189070), (50, 2551256), (80, 1594535), (100, 1275628), (200, 637814), (400, 318907)]