1290880

素因数分解:

$2^7\times 5^1\times {\mathrm{2017}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 3087540

約数和(自身を除く): 1796660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2017, 4034, 8068, 10085, 16136, 20170, 32272, 40340, 64544, 80680, 129088, 161360, 258176, 322720, 645440, 1290880]

約数ペア:

[(1, 1290880), (2, 645440), (4, 322720), (5, 258176), (8, 161360), (10, 129088), (16, 80680), (20, 64544), (32, 40340), (40, 32272), (64, 20170), (80, 16136), (128, 10085), (160, 8068), (320, 4034), (640, 2017)]