9980380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13487}}^1$

素因数の和:13533

約数の個数: 24

約数和(自身を含む): 21526848

約数和(自身を除く): 11546468

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 13487, 26974, 53948, 67435, 134870, 269740, 499019, 998038, 1996076, 2495095, 4990190, 9980380]

約数ペア:

[(1, 9980380), (2, 4990190), (4, 2495095), (5, 1996076), (10, 998038), (20, 499019), (37, 269740), (74, 134870), (148, 67435), (185, 53948), (370, 26974), (740, 13487)]