2018225840

素因数分解:

$2^4\times 5^1\times {\mathrm{25227823}}^1$

素因数の和:25227836

約数の個数: 20

約数和(自身を含む): 4692375264

約数和(自身を除く): 2674149424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25227823, 50455646, 100911292, 126139115, 201822584, 252278230, 403645168, 504556460, 1009112920, 2018225840]

約数ペア:

[(1, 2018225840), (2, 1009112920), (4, 504556460), (5, 403645168), (8, 252278230), (10, 201822584), (16, 126139115), (20, 100911292), (40, 50455646), (80, 25227823)]