2783157560

素因数分解:

$2^3\times 5^1\times {\mathrm{7211}}^1\times {\mathrm{9649}}^1$

素因数の和:16871

約数の個数: 32

約数和(自身を含む): 6263622000

約数和(自身を除く): 3480464440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7211, 9649, 14422, 19298, 28844, 36055, 38596, 48245, 57688, 72110, 77192, 96490, 144220, 192980, 288440, 385960, 69578939, 139157878, 278315756, 347894695, 556631512, 695789390, 1391578780, 2783157560]

約数ペア:

[(1, 2783157560), (2, 1391578780), (4, 695789390), (5, 556631512), (8, 347894695), (10, 278315756), (20, 139157878), (40, 69578939), (7211, 385960), (9649, 288440), (14422, 192980), (19298, 144220), (28844, 96490), (36055, 77192), (38596, 72110), (48245, 57688)]