90668660

素因数分解:

$2^2\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{2423}}^1$

素因数の和:4303

約数の個数: 24

約数和(自身を含む): 190584576

約数和(自身を除く): 99915916

約数列:

[1, 2, 4, 5, 10, 20, 1871, 2423, 3742, 4846, 7484, 9355, 9692, 12115, 18710, 24230, 37420, 48460, 4533433, 9066866, 18133732, 22667165, 45334330, 90668660]

約数ペア:

[(1, 90668660), (2, 45334330), (4, 22667165), (5, 18133732), (10, 9066866), (20, 4533433), (1871, 48460), (2423, 37420), (3742, 24230), (4846, 18710), (7484, 12115), (9355, 9692)]