105649840

素因数分解:

$2^4\times 5^1\times {\mathrm{1320623}}^1$

素因数の和:1320636

約数の個数: 20

約数和(自身を含む): 245636064

約数和(自身を除く): 139986224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1320623, 2641246, 5282492, 6603115, 10564984, 13206230, 21129968, 26412460, 52824920, 105649840]

約数ペア:

[(1, 105649840), (2, 52824920), (4, 26412460), (5, 21129968), (8, 13206230), (10, 10564984), (16, 6603115), (20, 5282492), (40, 2641246), (80, 1320623)]