1640160008

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{47207}}^1$

素因数の和:47357

約数の個数: 32

約数和(自身を含む): 3178042560

約数和(自身を除く): 1537882552

約数列:

[1, 2, 4, 8, 43, 86, 101, 172, 202, 344, 404, 808, 4343, 8686, 17372, 34744, 47207, 94414, 188828, 377656, 2029901, 4059802, 4767907, 8119604, 9535814, 16239208, 19071628, 38143256, 205020001, 410040002, 820080004, 1640160008]

約数ペア:

[(1, 1640160008), (2, 820080004), (4, 410040002), (8, 205020001), (43, 38143256), (86, 19071628), (101, 16239208), (172, 9535814), (202, 8119604), (344, 4767907), (404, 4059802), (808, 2029901), (4343, 377656), (8686, 188828), (17372, 94414), (34744, 47207)]