39919040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:346

約数の個数: 112

約数和(自身を含む): 110605824

約数和(自身を除く): 70686784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 251, 280, 284, 320, 355, 448, 497, 502, 560, 568, 710, 994, 1004, 1120, 1136, 1255, 1420, 1757, 1988, 2008, 2240, 2272, 2485, 2510, 2840, 3514, 3976, 4016, 4544, 4970, 5020, 5680, 7028, 7952, 8032, 8785, 9940, 10040, 11360, 14056, 15904, 16064, 17570, 17821, 19880, 20080, 22720, 28112, 31808, 35140, 35642, 39760, 40160, 56224, 70280, 71284, 79520, 80320, 89105, 112448, 124747, 140560, 142568, 159040, 178210, 249494, 281120, 285136, 356420, 498988, 562240, 570272, 623735, 712840, 997976, 1140544, 1247470, 1425680, 1995952, 2494940, 2851360, 3991904, 4989880, 5702720, 7983808, 9979760, 19959520, 39919040]

約数ペア:

[(1, 39919040), (2, 19959520), (4, 9979760), (5, 7983808), (7, 5702720), (8, 4989880), (10, 3991904), (14, 2851360), (16, 2494940), (20, 1995952), (28, 1425680), (32, 1247470), (35, 1140544), (40, 997976), (56, 712840), (64, 623735), (70, 570272), (71, 562240), (80, 498988), (112, 356420), (140, 285136), (142, 281120), (160, 249494), (224, 178210), (251, 159040), (280, 142568), (284, 140560), (320, 124747), (355, 112448), (448, 89105), (497, 80320), (502, 79520), (560, 71284), (568, 70280), (710, 56224), (994, 40160), (1004, 39760), (1120, 35642), (1136, 35140), (1255, 31808), (1420, 28112), (1757, 22720), (1988, 20080), (2008, 19880), (2240, 17821), (2272, 17570), (2485, 16064), (2510, 15904), (2840, 14056), (3514, 11360), (3976, 10040), (4016, 9940), (4544, 8785), (4970, 8032), (5020, 7952), (5680, 7028)]