31093480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70667}}^1$

素因数の和:70689

約数の個数: 32

約数和(自身を含む): 76321440

約数和(自身を除く): 45227960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70667, 141334, 282668, 353335, 565336, 706670, 777337, 1413340, 1554674, 2826680, 3109348, 3886685, 6218696, 7773370, 15546740, 31093480]

約数ペア:

[(1, 31093480), (2, 15546740), (4, 7773370), (5, 6218696), (8, 3886685), (10, 3109348), (11, 2826680), (20, 1554674), (22, 1413340), (40, 777337), (44, 706670), (55, 565336), (88, 353335), (110, 282668), (220, 141334), (440, 70667)]