856157080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{522047}}^1$

素因数の和:522099

約数の個数: 32

約数和(自身を含む): 1973341440

約数和(自身を除く): 1117184360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 522047, 1044094, 2088188, 2610235, 4176376, 5220470, 10440940, 20881880, 21403927, 42807854, 85615708, 107019635, 171231416, 214039270, 428078540, 856157080]

約数ペア:

[(1, 856157080), (2, 428078540), (4, 214039270), (5, 171231416), (8, 107019635), (10, 85615708), (20, 42807854), (40, 21403927), (41, 20881880), (82, 10440940), (164, 5220470), (205, 4176376), (328, 2610235), (410, 2088188), (820, 1044094), (1640, 522047)]