21176475400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{601}}^1\times {\mathrm{4297}}^1$

素因数の和:4955

約数の個数: 96

約数和(自身を含む): 50531843880

約数和(自身を除く): 29355368480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 601, 820, 1025, 1202, 1640, 2050, 2404, 3005, 4100, 4297, 4808, 6010, 8200, 8594, 12020, 15025, 17188, 21485, 24040, 24641, 30050, 34376, 42970, 49282, 60100, 85940, 98564, 107425, 120200, 123205, 171880, 176177, 197128, 214850, 246410, 352354, 429700, 492820, 616025, 704708, 859400, 880885, 985640, 1232050, 1409416, 1761770, 2464100, 2582497, 3523540, 4404425, 4928200, 5164994, 7047080, 8808850, 10329988, 12912485, 17617700, 20659976, 25824970, 35235400, 51649940, 64562425, 103299880, 105882377, 129124850, 211764754, 258249700, 423529508, 516499400, 529411885, 847059016, 1058823770, 2117647540, 2647059425, 4235295080, 5294118850, 10588237700, 21176475400]

約数ペア:

[(1, 21176475400), (2, 10588237700), (4, 5294118850), (5, 4235295080), (8, 2647059425), (10, 2117647540), (20, 1058823770), (25, 847059016), (40, 529411885), (41, 516499400), (50, 423529508), (82, 258249700), (100, 211764754), (164, 129124850), (200, 105882377), (205, 103299880), (328, 64562425), (410, 51649940), (601, 35235400), (820, 25824970), (1025, 20659976), (1202, 17617700), (1640, 12912485), (2050, 10329988), (2404, 8808850), (3005, 7047080), (4100, 5164994), (4297, 4928200), (4808, 4404425), (6010, 3523540), (8200, 2582497), (8594, 2464100), (12020, 1761770), (15025, 1409416), (17188, 1232050), (21485, 985640), (24040, 880885), (24641, 859400), (30050, 704708), (34376, 616025), (42970, 492820), (49282, 429700), (60100, 352354), (85940, 246410), (98564, 214850), (107425, 197128), (120200, 176177), (123205, 171880)]