27989480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41161}}^1$

素因数の和:41189

約数の個数: 32

約数和(自身を含む): 66682440

約数和(自身を除く): 38692960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41161, 82322, 164644, 205805, 329288, 411610, 699737, 823220, 1399474, 1646440, 2798948, 3498685, 5597896, 6997370, 13994740, 27989480]

約数ペア:

[(1, 27989480), (2, 13994740), (4, 6997370), (5, 5597896), (8, 3498685), (10, 2798948), (17, 1646440), (20, 1399474), (34, 823220), (40, 699737), (68, 411610), (85, 329288), (136, 205805), (170, 164644), (340, 82322), (680, 41161)]