22245680

素因数分解:

$2^4\times 5^1\times {\mathrm{278071}}^1$

素因数の和:278084

約数の個数: 20

約数和(自身を含む): 51721392

約数和(自身を除く): 29475712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278071, 556142, 1112284, 1390355, 2224568, 2780710, 4449136, 5561420, 11122840, 22245680]

約数ペア:

[(1, 22245680), (2, 11122840), (4, 5561420), (5, 4449136), (8, 2780710), (10, 2224568), (16, 1390355), (20, 1112284), (40, 556142), (80, 278071)]