55313320

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1559}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 124675200

約数和(自身を除く): 69361880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1559, 1774, 3118, 3548, 4435, 6236, 7096, 7795, 8870, 12472, 15590, 17740, 31180, 35480, 62360, 1382833, 2765666, 5531332, 6914165, 11062664, 13828330, 27656660, 55313320]

約数ペア:

[(1, 55313320), (2, 27656660), (4, 13828330), (5, 11062664), (8, 6914165), (10, 5531332), (20, 2765666), (40, 1382833), (887, 62360), (1559, 35480), (1774, 31180), (3118, 17740), (3548, 15590), (4435, 12472), (6236, 8870), (7096, 7795)]