2783080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1697}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 6418440

約数和(自身を除く): 3635360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1697, 3394, 6788, 8485, 13576, 16970, 33940, 67880, 69577, 139154, 278308, 347885, 556616, 695770, 1391540, 2783080]

約数ペア:

[(1, 2783080), (2, 1391540), (4, 695770), (5, 556616), (8, 347885), (10, 278308), (20, 139154), (40, 69577), (41, 67880), (82, 33940), (164, 16970), (205, 13576), (328, 8485), (410, 6788), (820, 3394), (1640, 1697)]