8001394850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{28409}}^1$

素因数の和:28595

約数の個数: 48

約数和(自身を含む): 15345491040

約数和(自身を除く): 7344096190

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 131, 215, 262, 430, 655, 1075, 1310, 2150, 3275, 5633, 6550, 11266, 28165, 28409, 56330, 56818, 140825, 142045, 281650, 284090, 710225, 1221587, 1420450, 2443174, 3721579, 6107935, 7443158, 12215870, 18607895, 30539675, 37215790, 61079350, 93039475, 160027897, 186078950, 320055794, 800139485, 1600278970, 4000697425, 8001394850]

約数ペア:

[(1, 8001394850), (2, 4000697425), (5, 1600278970), (10, 800139485), (25, 320055794), (43, 186078950), (50, 160027897), (86, 93039475), (131, 61079350), (215, 37215790), (262, 30539675), (430, 18607895), (655, 12215870), (1075, 7443158), (1310, 6107935), (2150, 3721579), (3275, 2443174), (5633, 1420450), (6550, 1221587), (11266, 710225), (28165, 284090), (28409, 281650), (56330, 142045), (56818, 140825)]