8378980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9743}}^1$

素因数の和:9795

約数の個数: 24

約数和(自身を含む): 18006912

約数和(自身を除く): 9627932

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9743, 19486, 38972, 48715, 97430, 194860, 418949, 837898, 1675796, 2094745, 4189490, 8378980]

約数ペア:

[(1, 8378980), (2, 4189490), (4, 2094745), (5, 1675796), (10, 837898), (20, 418949), (43, 194860), (86, 97430), (172, 48715), (215, 38972), (430, 19486), (860, 9743)]