40003964

素因数分解:

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

素因数の和:235

約数の個数: 96

約数和(自身を含む): 95886336

約数和(自身を除く): 55882372

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 97, 103, 143, 154, 182, 194, 206, 286, 308, 364, 388, 412, 572, 679, 721, 1001, 1067, 1133, 1261, 1339, 1358, 1442, 2002, 2134, 2266, 2522, 2678, 2716, 2884, 4004, 4268, 4532, 5044, 5356, 7469, 7931, 8827, 9373, 9991, 13871, 14729, 14938, 15862, 17654, 18746, 19982, 27742, 29458, 29876, 31724, 35308, 37492, 39964, 55484, 58916, 69937, 97097, 103103, 109901, 129883, 139874, 194194, 206206, 219802, 259766, 279748, 388388, 412412, 439604, 519532, 769307, 909181, 1428713, 1538614, 1818362, 2857426, 3077228, 3636724, 5714852, 10000991, 20001982, 40003964]

約数ペア:

[(1, 40003964), (2, 20001982), (4, 10000991), (7, 5714852), (11, 3636724), (13, 3077228), (14, 2857426), (22, 1818362), (26, 1538614), (28, 1428713), (44, 909181), (52, 769307), (77, 519532), (91, 439604), (97, 412412), (103, 388388), (143, 279748), (154, 259766), (182, 219802), (194, 206206), (206, 194194), (286, 139874), (308, 129883), (364, 109901), (388, 103103), (412, 97097), (572, 69937), (679, 58916), (721, 55484), (1001, 39964), (1067, 37492), (1133, 35308), (1261, 31724), (1339, 29876), (1358, 29458), (1442, 27742), (2002, 19982), (2134, 18746), (2266, 17654), (2522, 15862), (2678, 14938), (2716, 14729), (2884, 13871), (4004, 9991), (4268, 9373), (4532, 8827), (5044, 7931), (5356, 7469)]