77205920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43867}}^1$

素因数の和:43893

約数の個数: 48

約数和(自身を含む): 198985248

約数和(自身を除く): 121779328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 43867, 87734, 175468, 219335, 350936, 438670, 482537, 701872, 877340, 965074, 1403744, 1754680, 1930148, 2412685, 3509360, 3860296, 4825370, 7018720, 7720592, 9650740, 15441184, 19301480, 38602960, 77205920]

約数ペア:

[(1, 77205920), (2, 38602960), (4, 19301480), (5, 15441184), (8, 9650740), (10, 7720592), (11, 7018720), (16, 4825370), (20, 3860296), (22, 3509360), (32, 2412685), (40, 1930148), (44, 1754680), (55, 1403744), (80, 965074), (88, 877340), (110, 701872), (160, 482537), (176, 438670), (220, 350936), (352, 219335), (440, 175468), (880, 87734), (1760, 43867)]