77309680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138053}}^1$

素因数の和:138073

約数の個数: 40

約数和(自身を含む): 205424352

約数和(自身を除く): 128114672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138053, 276106, 552212, 690265, 966371, 1104424, 1380530, 1932742, 2208848, 2761060, 3865484, 4831855, 5522120, 7730968, 9663710, 11044240, 15461936, 19327420, 38654840, 77309680]

約数ペア:

[(1, 77309680), (2, 38654840), (4, 19327420), (5, 15461936), (7, 11044240), (8, 9663710), (10, 7730968), (14, 5522120), (16, 4831855), (20, 3865484), (28, 2761060), (35, 2208848), (40, 1932742), (56, 1380530), (70, 1104424), (80, 966371), (112, 690265), (140, 552212), (280, 276106), (560, 138053)]