127358480

素因数分解:

$2^4\times 5^1\times {\mathrm{1591981}}^1$

素因数の和:1591994

約数の個数: 20

約数和(自身を含む): 296108652

約数和(自身を除く): 168750172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1591981, 3183962, 6367924, 7959905, 12735848, 15919810, 25471696, 31839620, 63679240, 127358480]

約数ペア:

[(1, 127358480), (2, 63679240), (4, 31839620), (5, 25471696), (8, 15919810), (10, 12735848), (16, 7959905), (20, 6367924), (40, 3183962), (80, 1591981)]