2016557720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{5701}}^1$

素因数の和:5988

約数の個数: 64

約数和(自身を含む): 4680201600

約数和(自身を除く): 2663643880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 239, 296, 370, 478, 740, 956, 1195, 1480, 1912, 2390, 4780, 5701, 8843, 9560, 11402, 17686, 22804, 28505, 35372, 44215, 45608, 57010, 70744, 88430, 114020, 176860, 210937, 228040, 353720, 421874, 843748, 1054685, 1362539, 1687496, 2109370, 2725078, 4218740, 5450156, 6812695, 8437480, 10900312, 13625390, 27250780, 50413943, 54501560, 100827886, 201655772, 252069715, 403311544, 504139430, 1008278860, 2016557720]

約数ペア:

[(1, 2016557720), (2, 1008278860), (4, 504139430), (5, 403311544), (8, 252069715), (10, 201655772), (20, 100827886), (37, 54501560), (40, 50413943), (74, 27250780), (148, 13625390), (185, 10900312), (239, 8437480), (296, 6812695), (370, 5450156), (478, 4218740), (740, 2725078), (956, 2109370), (1195, 1687496), (1480, 1362539), (1912, 1054685), (2390, 843748), (4780, 421874), (5701, 353720), (8843, 228040), (9560, 210937), (11402, 176860), (17686, 114020), (22804, 88430), (28505, 70744), (35372, 57010), (44215, 45608)]