20152515040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{253427}}^1$

素因数の和:253520

約数の個数: 96

約数和(自身を含む): 55178371584

約数和(自身を除く): 35025856544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 994, 1120, 1136, 1420, 1988, 2272, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 11360, 15904, 19880, 39760, 79520, 253427, 506854, 1013708, 1267135, 1773989, 2027416, 2534270, 3547978, 4054832, 5068540, 7095956, 8109664, 8869945, 10137080, 14191912, 17739890, 17993317, 20274160, 28383824, 35479780, 35986634, 40548320, 56767648, 70959560, 71973268, 89966585, 125953219, 141919120, 143946536, 179933170, 251906438, 283838240, 287893072, 359866340, 503812876, 575786144, 629766095, 719732680, 1007625752, 1259532190, 1439465360, 2015251504, 2519064380, 2878930720, 4030503008, 5038128760, 10076257520, 20152515040]

約数ペア:

[(1, 20152515040), (2, 10076257520), (4, 5038128760), (5, 4030503008), (7, 2878930720), (8, 2519064380), (10, 2015251504), (14, 1439465360), (16, 1259532190), (20, 1007625752), (28, 719732680), (32, 629766095), (35, 575786144), (40, 503812876), (56, 359866340), (70, 287893072), (71, 283838240), (80, 251906438), (112, 179933170), (140, 143946536), (142, 141919120), (160, 125953219), (224, 89966585), (280, 71973268), (284, 70959560), (355, 56767648), (497, 40548320), (560, 35986634), (568, 35479780), (710, 28383824), (994, 20274160), (1120, 17993317), (1136, 17739890), (1420, 14191912), (1988, 10137080), (2272, 8869945), (2485, 8109664), (2840, 7095956), (3976, 5068540), (4970, 4054832), (5680, 3547978), (7952, 2534270), (9940, 2027416), (11360, 1773989), (15904, 1267135), (19880, 1013708), (39760, 506854), (79520, 253427)]