66139160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{38453}}^1$

素因数の和:38507

約数の個数: 32

約数和(自身を含む): 152277840

約数和(自身を除く): 86138680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 38453, 76906, 153812, 192265, 307624, 384530, 769060, 1538120, 1653479, 3306958, 6613916, 8267395, 13227832, 16534790, 33069580, 66139160]

約数ペア:

[(1, 66139160), (2, 33069580), (4, 16534790), (5, 13227832), (8, 8267395), (10, 6613916), (20, 3306958), (40, 1653479), (43, 1538120), (86, 769060), (172, 384530), (215, 307624), (344, 192265), (430, 153812), (860, 76906), (1720, 38453)]