80007928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 205470720

約数和(自身を除く): 125462792

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 97, 103, 104, 143, 154, 182, 194, 206, 286, 308, 364, 388, 412, 572, 616, 679, 721, 728, 776, 824, 1001, 1067, 1133, 1144, 1261, 1339, 1358, 1442, 2002, 2134, 2266, 2522, 2678, 2716, 2884, 4004, 4268, 4532, 5044, 5356, 5432, 5768, 7469, 7931, 8008, 8536, 8827, 9064, 9373, 9991, 10088, 10712, 13871, 14729, 14938, 15862, 17654, 18746, 19982, 27742, 29458, 29876, 31724, 35308, 37492, 39964, 55484, 58916, 59752, 63448, 69937, 70616, 74984, 79928, 97097, 103103, 109901, 110968, 117832, 129883, 139874, 194194, 206206, 219802, 259766, 279748, 388388, 412412, 439604, 519532, 559496, 769307, 776776, 824824, 879208, 909181, 1039064, 1428713, 1538614, 1818362, 2857426, 3077228, 3636724, 5714852, 6154456, 7273448, 10000991, 11429704, 20001982, 40003964, 80007928]

約数ペア:

[(1, 80007928), (2, 40003964), (4, 20001982), (7, 11429704), (8, 10000991), (11, 7273448), (13, 6154456), (14, 5714852), (22, 3636724), (26, 3077228), (28, 2857426), (44, 1818362), (52, 1538614), (56, 1428713), (77, 1039064), (88, 909181), (91, 879208), (97, 824824), (103, 776776), (104, 769307), (143, 559496), (154, 519532), (182, 439604), (194, 412412), (206, 388388), (286, 279748), (308, 259766), (364, 219802), (388, 206206), (412, 194194), (572, 139874), (616, 129883), (679, 117832), (721, 110968), (728, 109901), (776, 103103), (824, 97097), (1001, 79928), (1067, 74984), (1133, 70616), (1144, 69937), (1261, 63448), (1339, 59752), (1358, 58916), (1442, 55484), (2002, 39964), (2134, 37492), (2266, 35308), (2522, 31724), (2678, 29876), (2716, 29458), (2884, 27742), (4004, 19982), (4268, 18746), (4532, 17654), (5044, 15862), (5356, 14938), (5432, 14729), (5768, 13871), (7469, 10712), (7931, 10088), (8008, 9991), (8536, 9373), (8827, 9064)]