42390805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1091}}^1$

素因数の和:1524

約数の個数: 16

約数和(自身を含む): 53726400

約数和(自身を除く): 11335595

約数列:

[1, 5, 19, 95, 409, 1091, 2045, 5455, 7771, 20729, 38855, 103645, 446219, 2231095, 8478161, 42390805]

約数ペア:

[(1, 42390805), (5, 8478161), (19, 2231095), (95, 446219), (409, 103645), (1091, 38855), (2045, 20729), (5455, 7771)]