80109990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{890111}}^1$

素因数の和:890124

約数の個数: 24

約数和(自身を含む): 208286208

約数和(自身を除く): 128176218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 890111, 1780222, 2670333, 4450555, 5340666, 8010999, 8901110, 13351665, 16021998, 26703330, 40054995, 80109990]

約数ペア:

[(1, 80109990), (2, 40054995), (3, 26703330), (5, 16021998), (6, 13351665), (9, 8901110), (10, 8010999), (15, 5340666), (18, 4450555), (30, 2670333), (45, 1780222), (90, 890111)]