1525640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 3516480

約数和(自身を除く): 1990840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 887, 1720, 1774, 3548, 4435, 7096, 8870, 17740, 35480, 38141, 76282, 152564, 190705, 305128, 381410, 762820, 1525640]

約数ペア:

[(1, 1525640), (2, 762820), (4, 381410), (5, 305128), (8, 190705), (10, 152564), (20, 76282), (40, 38141), (43, 35480), (86, 17740), (172, 8870), (215, 7096), (344, 4435), (430, 3548), (860, 1774), (887, 1720)]