16333840640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{981601}}^1$

素因数の和:981635

約数の個数: 72

約数和(自身を含む): 42134284248

約数和(自身を除く): 25800443608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 981601, 1963202, 3926404, 4908005, 7852808, 9816010, 12760813, 15705616, 19632020, 25521626, 31411232, 39264040, 51043252, 62822464, 63804065, 78528080, 102086504, 125644928, 127608130, 157056160, 204173008, 251289856, 255216260, 314112320, 408346016, 510432520, 628224640, 816692032, 1020865040, 1256449280, 1633384064, 2041730080, 3266768128, 4083460160, 8166920320, 16333840640]

約数ペア:

[(1, 16333840640), (2, 8166920320), (4, 4083460160), (5, 3266768128), (8, 2041730080), (10, 1633384064), (13, 1256449280), (16, 1020865040), (20, 816692032), (26, 628224640), (32, 510432520), (40, 408346016), (52, 314112320), (64, 255216260), (65, 251289856), (80, 204173008), (104, 157056160), (128, 127608130), (130, 125644928), (160, 102086504), (208, 78528080), (256, 63804065), (260, 62822464), (320, 51043252), (416, 39264040), (520, 31411232), (640, 25521626), (832, 19632020), (1040, 15705616), (1280, 12760813), (1664, 9816010), (2080, 7852808), (3328, 4908005), (4160, 3926404), (8320, 1963202), (16640, 981601)]