3140440

素因数分解:

$2^3\times 5^1\times {\mathrm{78511}}^1$

素因数の和:78522

約数の個数: 16

約数和(自身を含む): 7066080

約数和(自身を除く): 3925640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 78511, 157022, 314044, 392555, 628088, 785110, 1570220, 3140440]

約数ペア:

[(1, 3140440), (2, 1570220), (4, 785110), (5, 628088), (8, 392555), (10, 314044), (20, 157022), (40, 78511)]