68381360

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1237}}^1$

素因数の和:1941

約数の個数: 40

約数和(自身を含む): 159345456

約数和(自身を除く): 90964096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1237, 1382, 2474, 2764, 3455, 4948, 5528, 6185, 6910, 9896, 11056, 12370, 13820, 19792, 24740, 27640, 49480, 55280, 98960, 854767, 1709534, 3419068, 4273835, 6838136, 8547670, 13676272, 17095340, 34190680, 68381360]

約数ペア:

[(1, 68381360), (2, 34190680), (4, 17095340), (5, 13676272), (8, 8547670), (10, 6838136), (16, 4273835), (20, 3419068), (40, 1709534), (80, 854767), (691, 98960), (1237, 55280), (1382, 49480), (2474, 27640), (2764, 24740), (3455, 19792), (4948, 13820), (5528, 12370), (6185, 11056), (6910, 9896)]