30812240

素因数分解:

$2^4\times 5^1\times {\mathrm{385153}}^1$

素因数の和:385166

約数の個数: 20

約数和(自身を含む): 71638644

約数和(自身を除く): 40826404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385153, 770306, 1540612, 1925765, 3081224, 3851530, 6162448, 7703060, 15406120, 30812240]

約数ペア:

[(1, 30812240), (2, 15406120), (4, 7703060), (5, 6162448), (8, 3851530), (10, 3081224), (16, 1925765), (20, 1540612), (40, 770306), (80, 385153)]