65815720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{14561}}^1$

素因数の和:14685

約数の個数: 32

約数和(自身を含む): 149406120

約数和(自身を除く): 83590400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 14561, 29122, 58244, 72805, 116488, 145610, 291220, 582440, 1645393, 3290786, 6581572, 8226965, 13163144, 16453930, 32907860, 65815720]

約数ペア:

[(1, 65815720), (2, 32907860), (4, 16453930), (5, 13163144), (8, 8226965), (10, 6581572), (20, 3290786), (40, 1645393), (113, 582440), (226, 291220), (452, 145610), (565, 116488), (904, 72805), (1130, 58244), (2260, 29122), (4520, 14561)]