84997240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49417}}^1$

素因数の和:49471

約数の個数: 32

約数和(自身を含む): 195695280

約数和(自身を除く): 110698040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 49417, 98834, 197668, 247085, 395336, 494170, 988340, 1976680, 2124931, 4249862, 8499724, 10624655, 16999448, 21249310, 42498620, 84997240]

約数ペア:

[(1, 84997240), (2, 42498620), (4, 21249310), (5, 16999448), (8, 10624655), (10, 8499724), (20, 4249862), (40, 2124931), (43, 1976680), (86, 988340), (172, 494170), (215, 395336), (344, 247085), (430, 197668), (860, 98834), (1720, 49417)]