68338460

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{19751}}^1$

素因数の和:19933

約数の個数: 24

約数和(自身を含む): 144347616

約数和(自身を除く): 76009156

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 19751, 39502, 79004, 98755, 197510, 395020, 3416923, 6833846, 13667692, 17084615, 34169230, 68338460]

約数ペア:

[(1, 68338460), (2, 34169230), (4, 17084615), (5, 13667692), (10, 6833846), (20, 3416923), (173, 395020), (346, 197510), (692, 98755), (865, 79004), (1730, 39502), (3460, 19751)]