20166024080

素因数分解:

$2^4\times 5^1\times {\mathrm{947}}^1\times {\mathrm{266183}}^1$

素因数の和:267143

約数の個数: 40

約数和(自身を含む): 46935692352

約数和(自身を除く): 26769668272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 947, 1894, 3788, 4735, 7576, 9470, 15152, 18940, 37880, 75760, 266183, 532366, 1064732, 1330915, 2129464, 2661830, 4258928, 5323660, 10647320, 21294640, 252075301, 504150602, 1008301204, 1260376505, 2016602408, 2520753010, 4033204816, 5041506020, 10083012040, 20166024080]

約数ペア:

[(1, 20166024080), (2, 10083012040), (4, 5041506020), (5, 4033204816), (8, 2520753010), (10, 2016602408), (16, 1260376505), (20, 1008301204), (40, 504150602), (80, 252075301), (947, 21294640), (1894, 10647320), (3788, 5323660), (4735, 4258928), (7576, 2661830), (9470, 2129464), (15152, 1330915), (18940, 1064732), (37880, 532366), (75760, 266183)]