81288895060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1\times {\mathrm{63737}}^1$

素因数の和:65272

約数の個数: 48

約数和(自身を含む): 174797130816

約数和(自身を除く): 93508235756

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1483, 2966, 5932, 7415, 14830, 29660, 63737, 63769, 127474, 127538, 254948, 255076, 318685, 318845, 637370, 637690, 1274740, 1275380, 2740691, 5481382, 10962764, 13703455, 27406910, 54813820, 94521971, 189043942, 378087884, 472609855, 945219710, 1890439420, 4064444753, 8128889506, 16257779012, 20322223765, 40644447530, 81288895060]

約数ペア:

[(1, 81288895060), (2, 40644447530), (4, 20322223765), (5, 16257779012), (10, 8128889506), (20, 4064444753), (43, 1890439420), (86, 945219710), (172, 472609855), (215, 378087884), (430, 189043942), (860, 94521971), (1483, 54813820), (2966, 27406910), (5932, 13703455), (7415, 10962764), (14830, 5481382), (29660, 2740691), (63737, 1275380), (63769, 1274740), (127474, 637690), (127538, 637370), (254948, 318845), (255076, 318685)]