86731480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197117}}^1$

素因数の和:197139

約数の個数: 32

約数和(自身を含む): 212887440

約数和(自身を除く): 126155960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 197117, 394234, 788468, 985585, 1576936, 1971170, 2168287, 3942340, 4336574, 7884680, 8673148, 10841435, 17346296, 21682870, 43365740, 86731480]

約数ペア:

[(1, 86731480), (2, 43365740), (4, 21682870), (5, 17346296), (8, 10841435), (10, 8673148), (11, 7884680), (20, 4336574), (22, 3942340), (40, 2168287), (44, 1971170), (55, 1576936), (88, 985585), (110, 788468), (220, 394234), (440, 197117)]