68409680

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{12763}}^1$

素因数の和:12843

約数の個数: 40

約数和(自身を含む): 161439072

約数和(自身を除く): 93029392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 12763, 25526, 51052, 63815, 102104, 127630, 204208, 255260, 510520, 855121, 1021040, 1710242, 3420484, 4275605, 6840968, 8551210, 13681936, 17102420, 34204840, 68409680]

約数ペア:

[(1, 68409680), (2, 34204840), (4, 17102420), (5, 13681936), (8, 8551210), (10, 6840968), (16, 4275605), (20, 3420484), (40, 1710242), (67, 1021040), (80, 855121), (134, 510520), (268, 255260), (335, 204208), (536, 127630), (670, 102104), (1072, 63815), (1340, 51052), (2680, 25526), (5360, 12763)]