201628720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{58613}}^1$

素因数の和:58669

約数の個数: 40

約数和(自身を含む): 479696976

約数和(自身を除く): 278068256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 58613, 117226, 234452, 293065, 468904, 586130, 937808, 1172260, 2344520, 2520359, 4689040, 5040718, 10081436, 12601795, 20162872, 25203590, 40325744, 50407180, 100814360, 201628720]

約数ペア:

[(1, 201628720), (2, 100814360), (4, 50407180), (5, 40325744), (8, 25203590), (10, 20162872), (16, 12601795), (20, 10081436), (40, 5040718), (43, 4689040), (80, 2520359), (86, 2344520), (172, 1172260), (215, 937808), (344, 586130), (430, 468904), (688, 293065), (860, 234452), (1720, 117226), (3440, 58613)]