39922000

素因数分解:

$2^4\times 5^3\times {\mathrm{19961}}^1$

素因数の和:19984

約数の個数: 40

約数和(自身を含む): 96536232

約数和(自身を除く): 56614232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 19961, 39922, 79844, 99805, 159688, 199610, 319376, 399220, 499025, 798440, 998050, 1596880, 1996100, 2495125, 3992200, 4990250, 7984400, 9980500, 19961000, 39922000]

約数ペア:

[(1, 39922000), (2, 19961000), (4, 9980500), (5, 7984400), (8, 4990250), (10, 3992200), (16, 2495125), (20, 1996100), (25, 1596880), (40, 998050), (50, 798440), (80, 499025), (100, 399220), (125, 319376), (200, 199610), (250, 159688), (400, 99805), (500, 79844), (1000, 39922), (2000, 19961)]