39963890

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28751}}^1$

素因数の和:28897

約数の個数: 16

約数和(自身を含む): 72455040

約数和(自身を除く): 32491150

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 28751, 57502, 143755, 287510, 3996389, 7992778, 19981945, 39963890]

約数ペア:

[(1, 39963890), (2, 19981945), (5, 7992778), (10, 3996389), (139, 287510), (278, 143755), (695, 57502), (1390, 28751)]