90054005

素因数分解:

$5^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 109382400

約数和(自身を除く): 19328395

約数列:

[1, 5, 179, 239, 421, 895, 1195, 2105, 42781, 75359, 100619, 213905, 376795, 503095, 18010801, 90054005]

約数ペア:

[(1, 90054005), (5, 18010801), (179, 503095), (239, 376795), (421, 213905), (895, 100619), (1195, 75359), (2105, 42781)]