8919040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 23390640

約数和(自身を除く): 14471600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 128, 130, 134, 160, 208, 256, 260, 268, 320, 335, 416, 512, 520, 536, 640, 670, 832, 871, 1024, 1040, 1072, 1280, 1340, 1664, 1742, 2048, 2080, 2144, 2560, 2680, 3328, 3484, 4160, 4288, 4355, 5120, 5360, 6656, 6968, 8320, 8576, 8710, 10240, 10720, 13312, 13936, 16640, 17152, 17420, 21440, 26624, 27872, 33280, 34304, 34840, 42880, 55744, 66560, 68608, 69680, 85760, 111488, 133120, 137216, 139360, 171520, 222976, 278720, 343040, 445952, 557440, 686080, 891904, 1114880, 1783808, 2229760, 4459520, 8919040]

約数ペア:

[(1, 8919040), (2, 4459520), (4, 2229760), (5, 1783808), (8, 1114880), (10, 891904), (13, 686080), (16, 557440), (20, 445952), (26, 343040), (32, 278720), (40, 222976), (52, 171520), (64, 139360), (65, 137216), (67, 133120), (80, 111488), (104, 85760), (128, 69680), (130, 68608), (134, 66560), (160, 55744), (208, 42880), (256, 34840), (260, 34304), (268, 33280), (320, 27872), (335, 26624), (416, 21440), (512, 17420), (520, 17152), (536, 16640), (640, 13936), (670, 13312), (832, 10720), (871, 10240), (1024, 8710), (1040, 8576), (1072, 8320), (1280, 6968), (1340, 6656), (1664, 5360), (1742, 5120), (2048, 4355), (2080, 4288), (2144, 4160), (2560, 3484), (2680, 3328)]