26621720

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1907}}^1$

素因数の和:2267

約数の個数: 32

約数和(自身を含む): 60102000

約数和(自身を除く): 33480280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 1907, 2792, 3490, 3814, 6980, 7628, 9535, 13960, 15256, 19070, 38140, 76280, 665543, 1331086, 2662172, 3327715, 5324344, 6655430, 13310860, 26621720]

約数ペア:

[(1, 26621720), (2, 13310860), (4, 6655430), (5, 5324344), (8, 3327715), (10, 2662172), (20, 1331086), (40, 665543), (349, 76280), (698, 38140), (1396, 19070), (1745, 15256), (1907, 13960), (2792, 9535), (3490, 7628), (3814, 6980)]