205733480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{84317}}^1$

素因数の和:84389

約数の個数: 32

約数和(自身を含む): 470494440

約数和(自身を除く): 264760960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 84317, 168634, 337268, 421585, 674536, 843170, 1686340, 3372680, 5143337, 10286674, 20573348, 25716685, 41146696, 51433370, 102866740, 205733480]

約数ペア:

[(1, 205733480), (2, 102866740), (4, 51433370), (5, 41146696), (8, 25716685), (10, 20573348), (20, 10286674), (40, 5143337), (61, 3372680), (122, 1686340), (244, 843170), (305, 674536), (488, 421585), (610, 337268), (1220, 168634), (2440, 84317)]