81238270

素因数分解:

$2^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{10993}}^1$

素因数の和:11739

約数の個数: 16

約数和(自身を含む): 146440080

約数和(自身を除く): 65201810

約数列:

[1, 2, 5, 10, 739, 1478, 3695, 7390, 10993, 21986, 54965, 109930, 8123827, 16247654, 40619135, 81238270]

約数ペア:

[(1, 81238270), (2, 40619135), (5, 16247654), (10, 8123827), (739, 109930), (1478, 54965), (3695, 21986), (7390, 10993)]