157210280

素因数分解:

$2^3\times 5^1\times {\mathrm{3930257}}^1$

素因数の和:3930268

約数の個数: 16

約数和(自身を含む): 353723220

約数和(自身を除く): 196512940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3930257, 7860514, 15721028, 19651285, 31442056, 39302570, 78605140, 157210280]

約数ペア:

[(1, 157210280), (2, 78605140), (4, 39302570), (5, 31442056), (8, 19651285), (10, 15721028), (20, 7860514), (40, 3930257)]