42078950

素因数分解:

$2^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1999}}^1$

素因数の和:2432

約数の個数: 24

約数和(自身を含む): 78492000

約数和(自身を除く): 36413050

約数列:

[1, 2, 5, 10, 25, 50, 421, 842, 1999, 2105, 3998, 4210, 9995, 10525, 19990, 21050, 49975, 99950, 841579, 1683158, 4207895, 8415790, 21039475, 42078950]

約数ペア:

[(1, 42078950), (2, 21039475), (5, 8415790), (10, 4207895), (25, 1683158), (50, 841579), (421, 99950), (842, 49975), (1999, 21050), (2105, 19990), (3998, 10525), (4210, 9995)]