39936464

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2387

約数の個数: 40

約数和(自身を含む): 82494720

約数和(自身を除く): 42558256

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 92, 94, 184, 188, 368, 376, 752, 1081, 2162, 2309, 4324, 4618, 8648, 9236, 17296, 18472, 36944, 53107, 106214, 108523, 212428, 217046, 424856, 434092, 849712, 868184, 1736368, 2496029, 4992058, 9984116, 19968232, 39936464]

約数ペア:

[(1, 39936464), (2, 19968232), (4, 9984116), (8, 4992058), (16, 2496029), (23, 1736368), (46, 868184), (47, 849712), (92, 434092), (94, 424856), (184, 217046), (188, 212428), (368, 108523), (376, 106214), (752, 53107), (1081, 36944), (2162, 18472), (2309, 17296), (4324, 9236), (4618, 8648)]