8385425660

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{853913}}^1$

素因数の和:854413

約数の個数: 24

約数和(自身を含む): 17645278896

約数和(自身を除く): 9259853236

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 853913, 1707826, 3415652, 4269565, 8539130, 17078260, 419271283, 838542566, 1677085132, 2096356415, 4192712830, 8385425660]

約数ペア:

[(1, 8385425660), (2, 4192712830), (4, 2096356415), (5, 1677085132), (10, 838542566), (20, 419271283), (491, 17078260), (982, 8539130), (1964, 4269565), (2455, 3415652), (4910, 1707826), (9820, 853913)]