88213640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{51287}}^1$

素因数の和:51341

約数の個数: 32

約数和(自身を含む): 203100480

約数和(自身を除く): 114886840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 51287, 102574, 205148, 256435, 410296, 512870, 1025740, 2051480, 2205341, 4410682, 8821364, 11026705, 17642728, 22053410, 44106820, 88213640]

約数ペア:

[(1, 88213640), (2, 44106820), (4, 22053410), (5, 17642728), (8, 11026705), (10, 8821364), (20, 4410682), (40, 2205341), (43, 2051480), (86, 1025740), (172, 512870), (215, 410296), (344, 256435), (430, 205148), (860, 102574), (1720, 51287)]