13888400

素因数分解:

$2^4\times 5^2\times {\mathrm{34721}}^1$

素因数の和:34739

約数の個数: 30

約数和(自身を含む): 33367842

約数和(自身を除く): 19479442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 34721, 69442, 138884, 173605, 277768, 347210, 555536, 694420, 868025, 1388840, 1736050, 2777680, 3472100, 6944200, 13888400]

約数ペア:

[(1, 13888400), (2, 6944200), (4, 3472100), (5, 2777680), (8, 1736050), (10, 1388840), (16, 868025), (20, 694420), (25, 555536), (40, 347210), (50, 277768), (80, 173605), (100, 138884), (200, 69442), (400, 34721)]