1261760

素因数分解:

$2^6\times 5^1\times {\mathrm{3943}}^1$

素因数の和:3960

約数の個数: 28

約数和(自身を含む): 3005328

約数和(自身を除く): 1743568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3943, 7886, 15772, 19715, 31544, 39430, 63088, 78860, 126176, 157720, 252352, 315440, 630880, 1261760]

約数ペア:

[(1, 1261760), (2, 630880), (4, 315440), (5, 252352), (8, 157720), (10, 126176), (16, 78860), (20, 63088), (32, 39430), (40, 31544), (64, 19715), (80, 15772), (160, 7886), (320, 3943)]