81051040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72367}}^1$

素因数の和:72389

約数の個数: 48

約数和(自身を含む): 218840832

約数和(自身を除く): 137789792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72367, 144734, 289468, 361835, 506569, 578936, 723670, 1013138, 1157872, 1447340, 2026276, 2315744, 2532845, 2894680, 4052552, 5065690, 5789360, 8105104, 10131380, 11578720, 16210208, 20262760, 40525520, 81051040]

約数ペア:

[(1, 81051040), (2, 40525520), (4, 20262760), (5, 16210208), (7, 11578720), (8, 10131380), (10, 8105104), (14, 5789360), (16, 5065690), (20, 4052552), (28, 2894680), (32, 2532845), (35, 2315744), (40, 2026276), (56, 1447340), (70, 1157872), (80, 1013138), (112, 723670), (140, 578936), (160, 506569), (224, 361835), (280, 289468), (560, 144734), (1120, 72367)]