857501240

素因数分解:

$2^3\times 5^1\times {\mathrm{21437531}}^1$

素因数の和:21437542

約数の個数: 16

約数和(自身を含む): 1929377880

約数和(自身を除く): 1071876640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21437531, 42875062, 85750124, 107187655, 171500248, 214375310, 428750620, 857501240]

約数ペア:

[(1, 857501240), (2, 428750620), (4, 214375310), (5, 171500248), (8, 107187655), (10, 85750124), (20, 42875062), (40, 21437531)]