80691650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2887}}^1$

素因数の和:2955

約数の個数: 48

約数和(自身を含む): 165447744

約数和(自身を除く): 84756094

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 650, 1075, 1118, 2150, 2795, 2887, 5590, 5774, 13975, 14435, 27950, 28870, 37531, 72175, 75062, 124141, 144350, 187655, 248282, 375310, 620705, 938275, 1241410, 1613833, 1876550, 3103525, 3227666, 6207050, 8069165, 16138330, 40345825, 80691650]

約数ペア:

[(1, 80691650), (2, 40345825), (5, 16138330), (10, 8069165), (13, 6207050), (25, 3227666), (26, 3103525), (43, 1876550), (50, 1613833), (65, 1241410), (86, 938275), (130, 620705), (215, 375310), (325, 248282), (430, 187655), (559, 144350), (650, 124141), (1075, 75062), (1118, 72175), (2150, 37531), (2795, 28870), (2887, 27950), (5590, 14435), (5774, 13975)]