28690580

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{3313}}^1$

素因数の和:3755

約数の個数: 24

約数和(自身を含む): 60407592

約数和(自身を除く): 31717012

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 3313, 4330, 6626, 8660, 13252, 16565, 33130, 66260, 1434529, 2869058, 5738116, 7172645, 14345290, 28690580]

約数ペア:

[(1, 28690580), (2, 14345290), (4, 7172645), (5, 5738116), (10, 2869058), (20, 1434529), (433, 66260), (866, 33130), (1732, 16565), (2165, 13252), (3313, 8660), (4330, 6626)]