27153640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15787}}^1$

素因数の和:15841

約数の個数: 32

約数和(自身を含む): 62520480

約数和(自身を除く): 35366840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15787, 31574, 63148, 78935, 126296, 157870, 315740, 631480, 678841, 1357682, 2715364, 3394205, 5430728, 6788410, 13576820, 27153640]

約数ペア:

[(1, 27153640), (2, 13576820), (4, 6788410), (5, 5430728), (8, 3394205), (10, 2715364), (20, 1357682), (40, 678841), (43, 631480), (86, 315740), (172, 157870), (215, 126296), (344, 78935), (430, 63148), (860, 31574), (1720, 15787)]