19827800

素因数分解:

$2^3\times 5^2\times {\mathrm{99139}}^1$

素因数の和:99155

約数の個数: 24

約数和(自身を含む): 46100100

約数和(自身を除く): 26272300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 99139, 198278, 396556, 495695, 793112, 991390, 1982780, 2478475, 3965560, 4956950, 9913900, 19827800]

約数ペア:

[(1, 19827800), (2, 9913900), (4, 4956950), (5, 3965560), (8, 2478475), (10, 1982780), (20, 991390), (25, 793112), (40, 495695), (50, 396556), (100, 198278), (200, 99139)]