61515280

素因数分解:

$2^4\times 5^1\times {\mathrm{768941}}^1$

素因数の和:768954

約数の個数: 20

約数和(自身を含む): 143023212

約数和(自身を除く): 81507932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 768941, 1537882, 3075764, 3844705, 6151528, 7689410, 12303056, 15378820, 30757640, 61515280]

約数ペア:

[(1, 61515280), (2, 30757640), (4, 15378820), (5, 12303056), (8, 7689410), (10, 6151528), (16, 3844705), (20, 3075764), (40, 1537882), (80, 768941)]