81092320

素因数分解:

$2^5\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1381}}^1$

素因数の和:1763

約数の個数: 48

約数和(自身を含む): 192241728

約数和(自身を除く): 111149408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 367, 734, 1381, 1468, 1835, 2762, 2936, 3670, 5524, 5872, 6905, 7340, 11048, 11744, 13810, 14680, 22096, 27620, 29360, 44192, 55240, 58720, 110480, 220960, 506827, 1013654, 2027308, 2534135, 4054616, 5068270, 8109232, 10136540, 16218464, 20273080, 40546160, 81092320]

約数ペア:

[(1, 81092320), (2, 40546160), (4, 20273080), (5, 16218464), (8, 10136540), (10, 8109232), (16, 5068270), (20, 4054616), (32, 2534135), (40, 2027308), (80, 1013654), (160, 506827), (367, 220960), (734, 110480), (1381, 58720), (1468, 55240), (1835, 44192), (2762, 29360), (2936, 27620), (3670, 22096), (5524, 14680), (5872, 13810), (6905, 11744), (7340, 11048)]