80909828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{9767}}^1$

素因数の和:9899

約数の個数: 24

約数和(自身を含む): 150427200

約数和(自身を除く): 69517372

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 8284, 9767, 19534, 39068, 185573, 371146, 742292, 1064603, 2129206, 4258412, 20227457, 40454914, 80909828]

約数ペア:

[(1, 80909828), (2, 40454914), (4, 20227457), (19, 4258412), (38, 2129206), (76, 1064603), (109, 742292), (218, 371146), (436, 185573), (2071, 39068), (4142, 19534), (8284, 9767)]