8971160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20389}}^1$

素因数の和:20411

約数の個数: 32

約数和(自身を含む): 22021200

約数和(自身を除く): 13050040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20389, 40778, 81556, 101945, 163112, 203890, 224279, 407780, 448558, 815560, 897116, 1121395, 1794232, 2242790, 4485580, 8971160]

約数ペア:

[(1, 8971160), (2, 4485580), (4, 2242790), (5, 1794232), (8, 1121395), (10, 897116), (11, 815560), (20, 448558), (22, 407780), (40, 224279), (44, 203890), (55, 163112), (88, 101945), (110, 81556), (220, 40778), (440, 20389)]