940840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 2170080

約数和(自身を除く): 1229240

約数列:

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

約数ペア:

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