812440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 1926000

約数和(自身を除く): 1113560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1069, 2138, 4276, 5345, 8552, 10690, 20311, 21380, 40622, 42760, 81244, 101555, 162488, 203110, 406220, 812440]

約数ペア:

[(1, 812440), (2, 406220), (4, 203110), (5, 162488), (8, 101555), (10, 81244), (19, 42760), (20, 40622), (38, 21380), (40, 20311), (76, 10690), (95, 8552), (152, 5345), (190, 4276), (380, 2138), (760, 1069)]