3975460

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1009}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 8399160

約数和(自身を除く): 4423700

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1009, 1970, 2018, 3940, 4036, 5045, 10090, 20180, 198773, 397546, 795092, 993865, 1987730, 3975460]

約数ペア:

[(1, 3975460), (2, 1987730), (4, 993865), (5, 795092), (10, 397546), (20, 198773), (197, 20180), (394, 10090), (788, 5045), (985, 4036), (1009, 3940), (1970, 2018)]