42563740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51907}}^1$

素因数の和:51957

約数の個数: 24

約数和(自身を含む): 91565712

約数和(自身を除く): 49001972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 51907, 103814, 207628, 259535, 519070, 1038140, 2128187, 4256374, 8512748, 10640935, 21281870, 42563740]

約数ペア:

[(1, 42563740), (2, 21281870), (4, 10640935), (5, 8512748), (10, 4256374), (20, 2128187), (41, 1038140), (82, 519070), (164, 259535), (205, 207628), (410, 103814), (820, 51907)]