16781440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2017}}^1$

素因数の和:2049

約数の個数: 64

約数和(自身を含む): 43225560

約数和(自身を除く): 26444120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2017, 2080, 4034, 4160, 8068, 8320, 10085, 16136, 20170, 26221, 32272, 40340, 52442, 64544, 80680, 104884, 129088, 131105, 161360, 209768, 258176, 262210, 322720, 419536, 524420, 645440, 839072, 1048840, 1290880, 1678144, 2097680, 3356288, 4195360, 8390720, 16781440]

約数ペア:

[(1, 16781440), (2, 8390720), (4, 4195360), (5, 3356288), (8, 2097680), (10, 1678144), (13, 1290880), (16, 1048840), (20, 839072), (26, 645440), (32, 524420), (40, 419536), (52, 322720), (64, 262210), (65, 258176), (80, 209768), (104, 161360), (128, 131105), (130, 129088), (160, 104884), (208, 80680), (260, 64544), (320, 52442), (416, 40340), (520, 32272), (640, 26221), (832, 20170), (1040, 16136), (1664, 10085), (2017, 8320), (2080, 8068), (4034, 4160)]