8671960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19709}}^1$

素因数の和:19731

約数の個数: 32

約数和(自身を含む): 21286800

約数和(自身を除く): 12614840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19709, 39418, 78836, 98545, 157672, 197090, 216799, 394180, 433598, 788360, 867196, 1083995, 1734392, 2167990, 4335980, 8671960]

約数ペア:

[(1, 8671960), (2, 4335980), (4, 2167990), (5, 1734392), (8, 1083995), (10, 867196), (11, 788360), (20, 433598), (22, 394180), (40, 216799), (44, 197090), (55, 157672), (88, 98545), (110, 78836), (220, 39418), (440, 19709)]