2565440

素因数分解:

$2^6\times 5^1\times {\mathrm{8017}}^1$

素因数の和:8034

約数の個数: 28

約数和(自身を含む): 6109716

約数和(自身を除く): 3544276

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 8017, 16034, 32068, 40085, 64136, 80170, 128272, 160340, 256544, 320680, 513088, 641360, 1282720, 2565440]

約数ペア:

[(1, 2565440), (2, 1282720), (4, 641360), (5, 513088), (8, 320680), (10, 256544), (16, 160340), (20, 128272), (32, 80170), (40, 64136), (64, 40085), (80, 32068), (160, 16034), (320, 8017)]