40340440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144073}}^1$

素因数の和:144091

約数の個数: 32

約数和(自身を含む): 103733280

約数和(自身を除く): 63392840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144073, 288146, 576292, 720365, 1008511, 1152584, 1440730, 2017022, 2881460, 4034044, 5042555, 5762920, 8068088, 10085110, 20170220, 40340440]

約数ペア:

[(1, 40340440), (2, 20170220), (4, 10085110), (5, 8068088), (7, 5762920), (8, 5042555), (10, 4034044), (14, 2881460), (20, 2017022), (28, 1440730), (35, 1152584), (40, 1008511), (56, 720365), (70, 576292), (140, 288146), (280, 144073)]