81427088

素因数分解:

$2^4\times {\mathrm{977}}^1\times {\mathrm{5209}}^1$

素因数の和:6194

約数の個数: 20

約数和(自身を含む): 157956780

約数和(自身を除く): 76529692

約数列:

[1, 2, 4, 8, 16, 977, 1954, 3908, 5209, 7816, 10418, 15632, 20836, 41672, 83344, 5089193, 10178386, 20356772, 40713544, 81427088]

約数ペア:

[(1, 81427088), (2, 40713544), (4, 20356772), (8, 10178386), (16, 5089193), (977, 83344), (1954, 41672), (3908, 20836), (5209, 15632), (7816, 10418)]