27564760

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1381}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 62190000

約数和(自身を除く): 34625240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1381, 1996, 2495, 2762, 3992, 4990, 5524, 6905, 9980, 11048, 13810, 19960, 27620, 55240, 689119, 1378238, 2756476, 3445595, 5512952, 6891190, 13782380, 27564760]

約数ペア:

[(1, 27564760), (2, 13782380), (4, 6891190), (5, 5512952), (8, 3445595), (10, 2756476), (20, 1378238), (40, 689119), (499, 55240), (998, 27620), (1381, 19960), (1996, 13810), (2495, 11048), (2762, 9980), (3992, 6905), (4990, 5524)]