26289920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 70640640

約数和(自身を除く): 44350720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 47, 64, 76, 80, 92, 94, 95, 115, 128, 152, 160, 184, 188, 190, 230, 235, 256, 304, 320, 368, 376, 380, 437, 460, 470, 608, 640, 736, 752, 760, 874, 893, 920, 940, 1081, 1216, 1280, 1472, 1504, 1520, 1748, 1786, 1840, 1880, 2162, 2185, 2432, 2944, 3008, 3040, 3496, 3572, 3680, 3760, 4324, 4370, 4465, 4864, 5405, 5888, 6016, 6080, 6992, 7144, 7360, 7520, 8648, 8740, 8930, 10810, 12032, 12160, 13984, 14288, 14720, 15040, 17296, 17480, 17860, 20539, 21620, 24320, 27968, 28576, 29440, 30080, 34592, 34960, 35720, 41078, 43240, 55936, 57152, 60160, 69184, 69920, 71440, 82156, 86480, 102695, 111872, 114304, 138368, 139840, 142880, 164312, 172960, 205390, 228608, 276736, 279680, 285760, 328624, 345920, 410780, 559360, 571520, 657248, 691840, 821560, 1143040, 1314496, 1383680, 1643120, 2628992, 3286240, 5257984, 6572480, 13144960, 26289920]

約数ペア:

[(1, 26289920), (2, 13144960), (4, 6572480), (5, 5257984), (8, 3286240), (10, 2628992), (16, 1643120), (19, 1383680), (20, 1314496), (23, 1143040), (32, 821560), (38, 691840), (40, 657248), (46, 571520), (47, 559360), (64, 410780), (76, 345920), (80, 328624), (92, 285760), (94, 279680), (95, 276736), (115, 228608), (128, 205390), (152, 172960), (160, 164312), (184, 142880), (188, 139840), (190, 138368), (230, 114304), (235, 111872), (256, 102695), (304, 86480), (320, 82156), (368, 71440), (376, 69920), (380, 69184), (437, 60160), (460, 57152), (470, 55936), (608, 43240), (640, 41078), (736, 35720), (752, 34960), (760, 34592), (874, 30080), (893, 29440), (920, 28576), (940, 27968), (1081, 24320), (1216, 21620), (1280, 20539), (1472, 17860), (1504, 17480), (1520, 17296), (1748, 15040), (1786, 14720), (1840, 14288), (1880, 13984), (2162, 12160), (2185, 12032), (2432, 10810), (2944, 8930), (3008, 8740), (3040, 8648), (3496, 7520), (3572, 7360), (3680, 7144), (3760, 6992), (4324, 6080), (4370, 6016), (4465, 5888), (4864, 5405)]