20882645440

素因数分解:

$2^6\times 5^1\times {\mathrm{65258267}}^1$

素因数の和:65258284

約数の個数: 28

約数和(自身を含む): 49726800216

約数和(自身を除く): 28844154776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65258267, 130516534, 261033068, 326291335, 522066136, 652582670, 1044132272, 1305165340, 2088264544, 2610330680, 4176529088, 5220661360, 10441322720, 20882645440]

約数ペア:

[(1, 20882645440), (2, 10441322720), (4, 5220661360), (5, 4176529088), (8, 2610330680), (10, 2088264544), (16, 1305165340), (20, 1044132272), (32, 652582670), (40, 522066136), (64, 326291335), (80, 261033068), (160, 130516534), (320, 65258267)]