85674920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49811}}^1$

素因数の和:49865

約数の個数: 32

約数和(自身を含む): 197255520

約数和(自身を除く): 111580600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 49811, 99622, 199244, 249055, 398488, 498110, 996220, 1992440, 2141873, 4283746, 8567492, 10709365, 17134984, 21418730, 42837460, 85674920]

約数ペア:

[(1, 85674920), (2, 42837460), (4, 21418730), (5, 17134984), (8, 10709365), (10, 8567492), (20, 4283746), (40, 2141873), (43, 1992440), (86, 996220), (172, 498110), (215, 398488), (344, 249055), (430, 199244), (860, 99622), (1720, 49811)]