13965680

素因数分解:

$2^4\times 5^1\times {\mathrm{174571}}^1$

素因数の和:174584

約数の個数: 20

約数和(自身を含む): 32470392

約数和(自身を除く): 18504712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 174571, 349142, 698284, 872855, 1396568, 1745710, 2793136, 3491420, 6982840, 13965680]

約数ペア:

[(1, 13965680), (2, 6982840), (4, 3491420), (5, 2793136), (8, 1745710), (10, 1396568), (16, 872855), (20, 698284), (40, 349142), (80, 174571)]