80129900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{27631}}^1$

素因数の和:27674

約数の個数: 36

約数和(自身を含む): 179884320

約数和(自身を除く): 99754420

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 27631, 55262, 110524, 138155, 276310, 552620, 690775, 801299, 1381550, 1602598, 2763100, 3205196, 4006495, 8012990, 16025980, 20032475, 40064950, 80129900]

約数ペア:

[(1, 80129900), (2, 40064950), (4, 20032475), (5, 16025980), (10, 8012990), (20, 4006495), (25, 3205196), (29, 2763100), (50, 1602598), (58, 1381550), (100, 801299), (116, 690775), (145, 552620), (290, 276310), (580, 138155), (725, 110524), (1450, 55262), (2900, 27631)]