4889960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2843}}^1$

素因数の和:2897

約数の個数: 32

約数和(自身を含む): 11262240

約数和(自身を除く): 6372280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2843, 5686, 11372, 14215, 22744, 28430, 56860, 113720, 122249, 244498, 488996, 611245, 977992, 1222490, 2444980, 4889960]

約数ペア:

[(1, 4889960), (2, 2444980), (4, 1222490), (5, 977992), (8, 611245), (10, 488996), (20, 244498), (40, 122249), (43, 113720), (86, 56860), (172, 28430), (215, 22744), (344, 14215), (430, 11372), (860, 5686), (1720, 2843)]