16423720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5783}}^1$

素因数の和:5865

約数の個数: 32

約数和(自身を含む): 37480320

約数和(自身を除く): 21056600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5783, 11566, 23132, 28915, 46264, 57830, 115660, 231320, 410593, 821186, 1642372, 2052965, 3284744, 4105930, 8211860, 16423720]

約数ペア:

[(1, 16423720), (2, 8211860), (4, 4105930), (5, 3284744), (8, 2052965), (10, 1642372), (20, 821186), (40, 410593), (71, 231320), (142, 115660), (284, 57830), (355, 46264), (568, 28915), (710, 23132), (1420, 11566), (2840, 5783)]