85203640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49537}}^1$

素因数の和:49591

約数の個数: 32

約数和(自身を含む): 196170480

約数和(自身を除く): 110966840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 49537, 99074, 198148, 247685, 396296, 495370, 990740, 1981480, 2130091, 4260182, 8520364, 10650455, 17040728, 21300910, 42601820, 85203640]

約数ペア:

[(1, 85203640), (2, 42601820), (4, 21300910), (5, 17040728), (8, 10650455), (10, 8520364), (20, 4260182), (40, 2130091), (43, 1981480), (86, 990740), (172, 495370), (215, 396296), (344, 247685), (430, 198148), (860, 99074), (1720, 49537)]