66921920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16087}}^1$

素因数の和:16117

約数の個数: 56

約数和(自身を含む): 171626784

約数和(自身を除く): 104704864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 16087, 32174, 64348, 80435, 128696, 160870, 209131, 257392, 321740, 418262, 514784, 643480, 836524, 1029568, 1045655, 1286960, 1673048, 2091310, 2573920, 3346096, 4182620, 5147840, 6692192, 8365240, 13384384, 16730480, 33460960, 66921920]

約数ペア:

[(1, 66921920), (2, 33460960), (4, 16730480), (5, 13384384), (8, 8365240), (10, 6692192), (13, 5147840), (16, 4182620), (20, 3346096), (26, 2573920), (32, 2091310), (40, 1673048), (52, 1286960), (64, 1045655), (65, 1029568), (80, 836524), (104, 643480), (130, 514784), (160, 418262), (208, 321740), (260, 257392), (320, 209131), (416, 160870), (520, 128696), (832, 80435), (1040, 64348), (2080, 32174), (4160, 16087)]