1881680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:603

約数の個数: 40

約数和(自身を含む): 4484832

約数和(自身を除く): 2603152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 547, 688, 860, 1094, 1720, 2188, 2735, 3440, 4376, 5470, 8752, 10940, 21880, 23521, 43760, 47042, 94084, 117605, 188168, 235210, 376336, 470420, 940840, 1881680]

約数ペア:

[(1, 1881680), (2, 940840), (4, 470420), (5, 376336), (8, 235210), (10, 188168), (16, 117605), (20, 94084), (40, 47042), (43, 43760), (80, 23521), (86, 21880), (172, 10940), (215, 8752), (344, 5470), (430, 4376), (547, 3440), (688, 2735), (860, 2188), (1094, 1720)]