68368540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{24593}}^1$

素因数の和:24741

約数の個数: 24

約数和(自身を含む): 144612720

約数和(自身を除く): 76244180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 24593, 49186, 98372, 122965, 245930, 491860, 3418427, 6836854, 13673708, 17092135, 34184270, 68368540]

約数ペア:

[(1, 68368540), (2, 34184270), (4, 17092135), (5, 13673708), (10, 6836854), (20, 3418427), (139, 491860), (278, 245930), (556, 122965), (695, 98372), (1390, 49186), (2780, 24593)]