80721488

素因数分解:

$2^4\times {\mathrm{1549}}^1\times {\mathrm{3257}}^1$

素因数の和:4814

約数の個数: 20

約数和(自身を含む): 156546900

約数和(自身を除く): 75825412

約数列:

[1, 2, 4, 8, 16, 1549, 3098, 3257, 6196, 6514, 12392, 13028, 24784, 26056, 52112, 5045093, 10090186, 20180372, 40360744, 80721488]

約数ペア:

[(1, 80721488), (2, 40360744), (4, 20180372), (8, 10090186), (16, 5045093), (1549, 52112), (3098, 26056), (3257, 24784), (6196, 13028), (6514, 12392)]