28239800

素因数分解:

$2^3\times 5^2\times {\mathrm{141199}}^1$

素因数の和:141215

約数の個数: 24

約数和(自身を含む): 65658000

約数和(自身を除く): 37418200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 141199, 282398, 564796, 705995, 1129592, 1411990, 2823980, 3529975, 5647960, 7059950, 14119900, 28239800]

約数ペア:

[(1, 28239800), (2, 14119900), (4, 7059950), (5, 5647960), (8, 3529975), (10, 2823980), (20, 1411990), (25, 1129592), (40, 705995), (50, 564796), (100, 282398), (200, 141199)]