4958720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:185

約数の個数: 80

約数和(自身を含む): 12889800

約数和(自身を除く): 7931080

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, 1040, 1192, 1280, 1490, 1664, 1937, 2080, 2384, 2560, 2980, 3328, 3874, 4160, 4768, 5960, 6656, 7748, 8320, 9536, 9685, 11920, 15496, 16640, 19072, 19370, 23840, 30992, 33280, 38144, 38740, 47680, 61984, 76288, 77480, 95360, 123968, 154960, 190720, 247936, 309920, 381440, 495872, 619840, 991744, 1239680, 2479360, 4958720]

約数ペア:

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