54114640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15731}}^1$

素因数の和:15787

約数の個数: 40

約数和(自身を含む): 128750688

約数和(自身を除く): 74636048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 15731, 31462, 62924, 78655, 125848, 157310, 251696, 314620, 629240, 676433, 1258480, 1352866, 2705732, 3382165, 5411464, 6764330, 10822928, 13528660, 27057320, 54114640]

約数ペア:

[(1, 54114640), (2, 27057320), (4, 13528660), (5, 10822928), (8, 6764330), (10, 5411464), (16, 3382165), (20, 2705732), (40, 1352866), (43, 1258480), (80, 676433), (86, 629240), (172, 314620), (215, 251696), (344, 157310), (430, 125848), (688, 78655), (860, 62924), (1720, 31462), (3440, 15731)]