39978608

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{60943}}^1$

素因数の和:60992

約数の個数: 20

約数和(自身を含む): 79349088

約数和(自身を除く): 39370480

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 60943, 121886, 243772, 487544, 975088, 2498663, 4997326, 9994652, 19989304, 39978608]

約数ペア:

[(1, 39978608), (2, 19989304), (4, 9994652), (8, 4997326), (16, 2498663), (41, 975088), (82, 487544), (164, 243772), (328, 121886), (656, 60943)]