520996880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{138563}}^1$

素因数の和:138623

約数の個数: 40

約数和(自身を含む): 1237099392

約数和(自身を除く): 716102512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 138563, 277126, 554252, 692815, 1108504, 1385630, 2217008, 2771260, 5542520, 6512461, 11085040, 13024922, 26049844, 32562305, 52099688, 65124610, 104199376, 130249220, 260498440, 520996880]

約数ペア:

[(1, 520996880), (2, 260498440), (4, 130249220), (5, 104199376), (8, 65124610), (10, 52099688), (16, 32562305), (20, 26049844), (40, 13024922), (47, 11085040), (80, 6512461), (94, 5542520), (188, 2771260), (235, 2217008), (376, 1385630), (470, 1108504), (752, 692815), (940, 554252), (1880, 277126), (3760, 138563)]