38846440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20663}}^1$

素因数の和:20721

約数の個数: 32

約数和(自身を含む): 89268480

約数和(自身を除く): 50422040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 20663, 41326, 82652, 103315, 165304, 206630, 413260, 826520, 971161, 1942322, 3884644, 4855805, 7769288, 9711610, 19423220, 38846440]

約数ペア:

[(1, 38846440), (2, 19423220), (4, 9711610), (5, 7769288), (8, 4855805), (10, 3884644), (20, 1942322), (40, 971161), (47, 826520), (94, 413260), (188, 206630), (235, 165304), (376, 103315), (470, 82652), (940, 41326), (1880, 20663)]