80995910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197551}}^1$

素因数の和:197599

約数の個数: 16

約数和(自身を含む): 149349312

約数和(自身を除く): 68353402

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 197551, 395102, 987755, 1975510, 8099591, 16199182, 40497955, 80995910]

約数ペア:

[(1, 80995910), (2, 40497955), (5, 16199182), (10, 8099591), (41, 1975510), (82, 987755), (205, 395102), (410, 197551)]