9640940

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2693}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 20366640

約数和(自身を除く): 10725700

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 2693, 3580, 5386, 10772, 13465, 26930, 53860, 482047, 964094, 1928188, 2410235, 4820470, 9640940]

約数ペア:

[(1, 9640940), (2, 4820470), (4, 2410235), (5, 1928188), (10, 964094), (20, 482047), (179, 53860), (358, 26930), (716, 13465), (895, 10772), (1790, 5386), (2693, 3580)]