201728680

素因数分解:

$2^3\times 5^1\times {\mathrm{5043217}}^1$

素因数の和:5043228

約数の個数: 16

約数和(自身を含む): 453889620

約数和(自身を除く): 252160940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5043217, 10086434, 20172868, 25216085, 40345736, 50432170, 100864340, 201728680]

約数ペア:

[(1, 201728680), (2, 100864340), (4, 50432170), (5, 40345736), (8, 25216085), (10, 20172868), (20, 10086434), (40, 5043217)]