9917440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:187

約数の個数: 88

約数和(自身を含む): 25792200

約数和(自身を除く): 15874760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 149, 160, 208, 256, 260, 298, 320, 416, 512, 520, 596, 640, 745, 832, 1024, 1040, 1192, 1280, 1490, 1664, 1937, 2080, 2384, 2560, 2980, 3328, 3874, 4160, 4768, 5120, 5960, 6656, 7748, 8320, 9536, 9685, 11920, 13312, 15496, 16640, 19072, 19370, 23840, 30992, 33280, 38144, 38740, 47680, 61984, 66560, 76288, 77480, 95360, 123968, 152576, 154960, 190720, 247936, 309920, 381440, 495872, 619840, 762880, 991744, 1239680, 1983488, 2479360, 4958720, 9917440]

約数ペア:

[(1, 9917440), (2, 4958720), (4, 2479360), (5, 1983488), (8, 1239680), (10, 991744), (13, 762880), (16, 619840), (20, 495872), (26, 381440), (32, 309920), (40, 247936), (52, 190720), (64, 154960), (65, 152576), (80, 123968), (104, 95360), (128, 77480), (130, 76288), (149, 66560), (160, 61984), (208, 47680), (256, 38740), (260, 38144), (298, 33280), (320, 30992), (416, 23840), (512, 19370), (520, 19072), (596, 16640), (640, 15496), (745, 13312), (832, 11920), (1024, 9685), (1040, 9536), (1192, 8320), (1280, 7748), (1490, 6656), (1664, 5960), (1937, 5120), (2080, 4768), (2384, 4160), (2560, 3874), (2980, 3328)]