19896400

素因数分解:

$2^4\times 5^2\times {\mathrm{49741}}^1$

素因数の和:49759

約数の個数: 30

約数和(自身を含む): 47802062

約数和(自身を除く): 27905662

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 49741, 99482, 198964, 248705, 397928, 497410, 795856, 994820, 1243525, 1989640, 2487050, 3979280, 4974100, 9948200, 19896400]

約数ペア:

[(1, 19896400), (2, 9948200), (4, 4974100), (5, 3979280), (8, 2487050), (10, 1989640), (16, 1243525), (20, 994820), (25, 795856), (40, 497410), (50, 397928), (80, 248705), (100, 198964), (200, 99482), (400, 49741)]