81708440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{797}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 201670560

約数和(自身を除く): 119962120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 233, 440, 466, 797, 932, 1165, 1594, 1864, 2330, 2563, 3188, 3985, 4660, 5126, 6376, 7970, 8767, 9320, 10252, 12815, 15940, 17534, 20504, 25630, 31880, 35068, 43835, 51260, 70136, 87670, 102520, 175340, 185701, 350680, 371402, 742804, 928505, 1485608, 1857010, 2042711, 3714020, 4085422, 7428040, 8170844, 10213555, 16341688, 20427110, 40854220, 81708440]

約数ペア:

[(1, 81708440), (2, 40854220), (4, 20427110), (5, 16341688), (8, 10213555), (10, 8170844), (11, 7428040), (20, 4085422), (22, 3714020), (40, 2042711), (44, 1857010), (55, 1485608), (88, 928505), (110, 742804), (220, 371402), (233, 350680), (440, 185701), (466, 175340), (797, 102520), (932, 87670), (1165, 70136), (1594, 51260), (1864, 43835), (2330, 35068), (2563, 31880), (3188, 25630), (3985, 20504), (4660, 17534), (5126, 15940), (6376, 12815), (7970, 10252), (8767, 9320)]