208095280

素因数分解:

$2^4\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{2393}}^1$

素因数の和:3493

約数の個数: 40

約数和(自身を含む): 484468992

約数和(自身を除く): 276373712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1087, 2174, 2393, 4348, 4786, 5435, 8696, 9572, 10870, 11965, 17392, 19144, 21740, 23930, 38288, 43480, 47860, 86960, 95720, 191440, 2601191, 5202382, 10404764, 13005955, 20809528, 26011910, 41619056, 52023820, 104047640, 208095280]

約数ペア:

[(1, 208095280), (2, 104047640), (4, 52023820), (5, 41619056), (8, 26011910), (10, 20809528), (16, 13005955), (20, 10404764), (40, 5202382), (80, 2601191), (1087, 191440), (2174, 95720), (2393, 86960), (4348, 47860), (4786, 43480), (5435, 38288), (8696, 23930), (9572, 21740), (10870, 19144), (11965, 17392)]