27858580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81937}}^1$

素因数の和:81963

約数の個数: 24

約数和(自身を含む): 61945128

約数和(自身を除く): 34086548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 81937, 163874, 327748, 409685, 819370, 1392929, 1638740, 2785858, 5571716, 6964645, 13929290, 27858580]

約数ペア:

[(1, 27858580), (2, 13929290), (4, 6964645), (5, 5571716), (10, 2785858), (17, 1638740), (20, 1392929), (34, 819370), (68, 409685), (85, 327748), (170, 163874), (340, 81937)]