77877440

素因数分解:

$2^6\times 5^1\times {\mathrm{243367}}^1$

素因数の和:243384

約数の個数: 28

約数和(自身を含む): 185446416

約数和(自身を除く): 107568976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243367, 486734, 973468, 1216835, 1946936, 2433670, 3893872, 4867340, 7787744, 9734680, 15575488, 19469360, 38938720, 77877440]

約数ペア:

[(1, 77877440), (2, 38938720), (4, 19469360), (5, 15575488), (8, 9734680), (10, 7787744), (16, 4867340), (20, 3893872), (32, 2433670), (40, 1946936), (64, 1216835), (80, 973468), (160, 486734), (320, 243367)]