2495720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 5749920

約数和(自身を除く): 3254200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1451, 1720, 2902, 5804, 7255, 11608, 14510, 29020, 58040, 62393, 124786, 249572, 311965, 499144, 623930, 1247860, 2495720]

約数ペア:

[(1, 2495720), (2, 1247860), (4, 623930), (5, 499144), (8, 311965), (10, 249572), (20, 124786), (40, 62393), (43, 58040), (86, 29020), (172, 14510), (215, 11608), (344, 7255), (430, 5804), (860, 2902), (1451, 1720)]