40396160

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 112803840

約数和(自身を除く): 72407680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 127, 128, 140, 142, 160, 224, 254, 280, 284, 320, 355, 448, 497, 508, 560, 568, 635, 640, 710, 889, 896, 994, 1016, 1120, 1136, 1270, 1420, 1778, 1988, 2032, 2240, 2272, 2485, 2540, 2840, 3556, 3976, 4064, 4445, 4480, 4544, 4970, 5080, 5680, 7112, 7952, 8128, 8890, 9017, 9088, 9940, 10160, 11360, 14224, 15904, 16256, 17780, 18034, 19880, 20320, 22720, 28448, 31808, 35560, 36068, 39760, 40640, 45085, 45440, 56896, 63119, 63616, 71120, 72136, 79520, 81280, 90170, 113792, 126238, 142240, 144272, 159040, 180340, 252476, 284480, 288544, 315595, 318080, 360680, 504952, 568960, 577088, 631190, 721360, 1009904, 1154176, 1262380, 1442720, 2019808, 2524760, 2885440, 4039616, 5049520, 5770880, 8079232, 10099040, 20198080, 40396160]

約数ペア:

[(1, 40396160), (2, 20198080), (4, 10099040), (5, 8079232), (7, 5770880), (8, 5049520), (10, 4039616), (14, 2885440), (16, 2524760), (20, 2019808), (28, 1442720), (32, 1262380), (35, 1154176), (40, 1009904), (56, 721360), (64, 631190), (70, 577088), (71, 568960), (80, 504952), (112, 360680), (127, 318080), (128, 315595), (140, 288544), (142, 284480), (160, 252476), (224, 180340), (254, 159040), (280, 144272), (284, 142240), (320, 126238), (355, 113792), (448, 90170), (497, 81280), (508, 79520), (560, 72136), (568, 71120), (635, 63616), (640, 63119), (710, 56896), (889, 45440), (896, 45085), (994, 40640), (1016, 39760), (1120, 36068), (1136, 35560), (1270, 31808), (1420, 28448), (1778, 22720), (1988, 20320), (2032, 19880), (2240, 18034), (2272, 17780), (2485, 16256), (2540, 15904), (2840, 14224), (3556, 11360), (3976, 10160), (4064, 9940), (4445, 9088), (4480, 9017), (4544, 8890), (4970, 8128), (5080, 7952), (5680, 7112)]