12688760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45317}}^1$

素因数の和:45335

約数の個数: 32

約数和(自身を含む): 32628960

約数和(自身を除く): 19940200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45317, 90634, 181268, 226585, 317219, 362536, 453170, 634438, 906340, 1268876, 1586095, 1812680, 2537752, 3172190, 6344380, 12688760]

約数ペア:

[(1, 12688760), (2, 6344380), (4, 3172190), (5, 2537752), (7, 1812680), (8, 1586095), (10, 1268876), (14, 906340), (20, 634438), (28, 453170), (35, 362536), (40, 317219), (56, 226585), (70, 181268), (140, 90634), (280, 45317)]