130777718180

素因数分解:

$2^2\times 5^1\times {\mathrm{51431}}^1\times {\mathrm{127139}}^1$

素因数の和:178579

約数の個数: 24

約数和(自身を含む): 274640708160

約数和(自身を除く): 143862989980

約数列:

[1, 2, 4, 5, 10, 20, 51431, 102862, 127139, 205724, 254278, 257155, 508556, 514310, 635695, 1028620, 1271390, 2542780, 6538885909, 13077771818, 26155543636, 32694429545, 65388859090, 130777718180]

約数ペア:

[(1, 130777718180), (2, 65388859090), (4, 32694429545), (5, 26155543636), (10, 13077771818), (20, 6538885909), (51431, 2542780), (102862, 1271390), (127139, 1028620), (205724, 635695), (254278, 514310), (257155, 508556)]