887920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1009}}^1$

素因数の和:1033

約数の個数: 40

約数和(自身を含む): 2254320

約数和(自身を除く): 1366400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1009, 2018, 4036, 5045, 8072, 10090, 11099, 16144, 20180, 22198, 40360, 44396, 55495, 80720, 88792, 110990, 177584, 221980, 443960, 887920]

約数ペア:

[(1, 887920), (2, 443960), (4, 221980), (5, 177584), (8, 110990), (10, 88792), (11, 80720), (16, 55495), (20, 44396), (22, 40360), (40, 22198), (44, 20180), (55, 16144), (80, 11099), (88, 10090), (110, 8072), (176, 5045), (220, 4036), (440, 2018), (880, 1009)]