42135790

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{6553}}^1$

素因数の和:7203

約数の個数: 16

約数和(自身を含む): 75973968

約数和(自身を除く): 33838178

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 6553, 13106, 32765, 65530, 4213579, 8427158, 21067895, 42135790]

約数ペア:

[(1, 42135790), (2, 21067895), (5, 8427158), (10, 4213579), (643, 65530), (1286, 32765), (3215, 13106), (6430, 6553)]