81729620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{583783}}^1$

素因数の和:583799

約数の個数: 24

約数和(自身を含む): 196151424

約数和(自身を除く): 114421804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 583783, 1167566, 2335132, 2918915, 4086481, 5837830, 8172962, 11675660, 16345924, 20432405, 40864810, 81729620]

約数ペア:

[(1, 81729620), (2, 40864810), (4, 20432405), (5, 16345924), (7, 11675660), (10, 8172962), (14, 5837830), (20, 4086481), (28, 2918915), (35, 2335132), (70, 1167566), (140, 583783)]