89040640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5351}}^1$

素因数の和:5385

約数の個数: 72

約数和(自身を含む): 229729248

約数和(自身を除く): 140688608

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, 5351, 8320, 10702, 16640, 21404, 26755, 42808, 53510, 69563, 85616, 107020, 139126, 171232, 214040, 278252, 342464, 347815, 428080, 556504, 684928, 695630, 856160, 1113008, 1369856, 1391260, 1712320, 2226016, 2782520, 3424640, 4452032, 5565040, 6849280, 8904064, 11130080, 17808128, 22260160, 44520320, 89040640]

約数ペア:

[(1, 89040640), (2, 44520320), (4, 22260160), (5, 17808128), (8, 11130080), (10, 8904064), (13, 6849280), (16, 5565040), (20, 4452032), (26, 3424640), (32, 2782520), (40, 2226016), (52, 1712320), (64, 1391260), (65, 1369856), (80, 1113008), (104, 856160), (128, 695630), (130, 684928), (160, 556504), (208, 428080), (256, 347815), (260, 342464), (320, 278252), (416, 214040), (520, 171232), (640, 139126), (832, 107020), (1040, 85616), (1280, 69563), (1664, 53510), (2080, 42808), (3328, 26755), (4160, 21404), (5351, 16640), (8320, 10702)]