66617720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128111}}^1$

素因数の和:128135

約数の個数: 32

約数和(自身を含む): 161421120

約数和(自身を除く): 94803400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 128111, 256222, 512444, 640555, 1024888, 1281110, 1665443, 2562220, 3330886, 5124440, 6661772, 8327215, 13323544, 16654430, 33308860, 66617720]

約数ペア:

[(1, 66617720), (2, 33308860), (4, 16654430), (5, 13323544), (8, 8327215), (10, 6661772), (13, 5124440), (20, 3330886), (26, 2562220), (40, 1665443), (52, 1281110), (65, 1024888), (104, 640555), (130, 512444), (260, 256222), (520, 128111)]