42940070

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{81019}}^1$

素因数の和:81079

約数の個数: 16

約数和(自身を含む): 78751440

約数和(自身を除く): 35811370

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 81019, 162038, 405095, 810190, 4294007, 8588014, 21470035, 42940070]

約数ペア:

[(1, 42940070), (2, 21470035), (5, 8588014), (10, 4294007), (53, 810190), (106, 405095), (265, 162038), (530, 81019)]