4914040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2911

約数の個数: 32

約数和(自身を含む): 11317680

約数和(自身を除く): 6403640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2857, 5714, 11428, 14285, 22856, 28570, 57140, 114280, 122851, 245702, 491404, 614255, 982808, 1228510, 2457020, 4914040]

約数ペア:

[(1, 4914040), (2, 2457020), (4, 1228510), (5, 982808), (8, 614255), (10, 491404), (20, 245702), (40, 122851), (43, 114280), (86, 57140), (172, 28570), (215, 22856), (344, 14285), (430, 11428), (860, 5714), (1720, 2857)]