81711610

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{190027}}^1$

素因数の和:190077

約数の個数: 16

約数和(自身を含む): 150502176

約数和(自身を除く): 68790566

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 190027, 380054, 950135, 1900270, 8171161, 16342322, 40855805, 81711610]

約数ペア:

[(1, 81711610), (2, 40855805), (5, 16342322), (10, 8171161), (43, 1900270), (86, 950135), (215, 380054), (430, 190027)]