1947320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 4438800

約数和(自身を除く): 2491480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 547, 712, 890, 1094, 1780, 2188, 2735, 3560, 4376, 5470, 10940, 21880, 48683, 97366, 194732, 243415, 389464, 486830, 973660, 1947320]

約数ペア:

[(1, 1947320), (2, 973660), (4, 486830), (5, 389464), (8, 243415), (10, 194732), (20, 97366), (40, 48683), (89, 21880), (178, 10940), (356, 5470), (445, 4376), (547, 3560), (712, 2735), (890, 2188), (1094, 1780)]