68441680

素因数分解:

$2^4\times 5^1\times {\mathrm{855521}}^1$

素因数の和:855534

約数の個数: 20

約数和(自身を含む): 159127092

約数和(自身を除く): 90685412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 855521, 1711042, 3422084, 4277605, 6844168, 8555210, 13688336, 17110420, 34220840, 68441680]

約数ペア:

[(1, 68441680), (2, 34220840), (4, 17110420), (5, 13688336), (8, 8555210), (10, 6844168), (16, 4277605), (20, 3422084), (40, 1711042), (80, 855521)]