55277360

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16069}}^1$

素因数の和:16125

約数の個数: 40

約数和(自身を含む): 131516880

約数和(自身を除く): 76239520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16069, 32138, 64276, 80345, 128552, 160690, 257104, 321380, 642760, 690967, 1285520, 1381934, 2763868, 3454835, 5527736, 6909670, 11055472, 13819340, 27638680, 55277360]

約数ペア:

[(1, 55277360), (2, 27638680), (4, 13819340), (5, 11055472), (8, 6909670), (10, 5527736), (16, 3454835), (20, 2763868), (40, 1381934), (43, 1285520), (80, 690967), (86, 642760), (172, 321380), (215, 257104), (344, 160690), (430, 128552), (688, 80345), (860, 64276), (1720, 32138), (3440, 16069)]