201690640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{58631}}^1$

素因数の和:58687

約数の個数: 40

約数和(自身を含む): 479844288

約数和(自身を除く): 278153648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 58631, 117262, 234524, 293155, 469048, 586310, 938096, 1172620, 2345240, 2521133, 4690480, 5042266, 10084532, 12605665, 20169064, 25211330, 40338128, 50422660, 100845320, 201690640]

約数ペア:

[(1, 201690640), (2, 100845320), (4, 50422660), (5, 40338128), (8, 25211330), (10, 20169064), (16, 12605665), (20, 10084532), (40, 5042266), (43, 4690480), (80, 2521133), (86, 2345240), (172, 1172620), (215, 938096), (344, 586310), (430, 469048), (688, 293155), (860, 234524), (1720, 117262), (3440, 58631)]