1052805040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{26479}}^1$

素因数の和:26570

約数の個数: 80

約数和(自身を含む): 2836961280

約数和(自身を除く): 1784156240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 19880, 26479, 39760, 52958, 105916, 132395, 185353, 211832, 264790, 370706, 423664, 529580, 741412, 926765, 1059160, 1482824, 1853530, 1880009, 2118320, 2965648, 3707060, 3760018, 7414120, 7520036, 9400045, 13160063, 14828240, 15040072, 18800090, 26320126, 30080144, 37600180, 52640252, 65800315, 75200360, 105280504, 131600630, 150400720, 210561008, 263201260, 526402520, 1052805040]

約数ペア:

[(1, 1052805040), (2, 526402520), (4, 263201260), (5, 210561008), (7, 150400720), (8, 131600630), (10, 105280504), (14, 75200360), (16, 65800315), (20, 52640252), (28, 37600180), (35, 30080144), (40, 26320126), (56, 18800090), (70, 15040072), (71, 14828240), (80, 13160063), (112, 9400045), (140, 7520036), (142, 7414120), (280, 3760018), (284, 3707060), (355, 2965648), (497, 2118320), (560, 1880009), (568, 1853530), (710, 1482824), (994, 1059160), (1136, 926765), (1420, 741412), (1988, 529580), (2485, 423664), (2840, 370706), (3976, 264790), (4970, 211832), (5680, 185353), (7952, 132395), (9940, 105916), (19880, 52958), (26479, 39760)]