9819640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1933}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 22279680

約数和(自身を除く): 12460040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 1933, 2540, 3866, 5080, 7732, 9665, 15464, 19330, 38660, 77320, 245491, 490982, 981964, 1227455, 1963928, 2454910, 4909820, 9819640]

約数ペア:

[(1, 9819640), (2, 4909820), (4, 2454910), (5, 1963928), (8, 1227455), (10, 981964), (20, 490982), (40, 245491), (127, 77320), (254, 38660), (508, 19330), (635, 15464), (1016, 9665), (1270, 7732), (1933, 5080), (2540, 3866)]