71868280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163337}}^1$

素因数の和:163359

約数の個数: 32

約数和(自身を含む): 176405040

約数和(自身を除く): 104536760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163337, 326674, 653348, 816685, 1306696, 1633370, 1796707, 3266740, 3593414, 6533480, 7186828, 8983535, 14373656, 17967070, 35934140, 71868280]

約数ペア:

[(1, 71868280), (2, 35934140), (4, 17967070), (5, 14373656), (8, 8983535), (10, 7186828), (11, 6533480), (20, 3593414), (22, 3266740), (40, 1796707), (44, 1633370), (55, 1306696), (88, 816685), (110, 653348), (220, 326674), (440, 163337)]