71879720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163363}}^1$

素因数の和:163385

約数の個数: 32

約数和(自身を含む): 176433120

約数和(自身を除く): 104553400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163363, 326726, 653452, 816815, 1306904, 1633630, 1796993, 3267260, 3593986, 6534520, 7187972, 8984965, 14375944, 17969930, 35939860, 71879720]

約数ペア:

[(1, 71879720), (2, 35939860), (4, 17969930), (5, 14375944), (8, 8984965), (10, 7187972), (11, 6534520), (20, 3593986), (22, 3267260), (40, 1796993), (44, 1633630), (55, 1306904), (88, 816815), (110, 653452), (220, 326726), (440, 163363)]