51756520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30091}}^1$

素因数の和:30145

約数の個数: 32

約数和(自身を含む): 119164320

約数和(自身を除く): 67407800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 30091, 60182, 120364, 150455, 240728, 300910, 601820, 1203640, 1293913, 2587826, 5175652, 6469565, 10351304, 12939130, 25878260, 51756520]

約数ペア:

[(1, 51756520), (2, 25878260), (4, 12939130), (5, 10351304), (8, 6469565), (10, 5175652), (20, 2587826), (40, 1293913), (43, 1203640), (86, 601820), (172, 300910), (215, 240728), (344, 150455), (430, 120364), (860, 60182), (1720, 30091)]