87780800

素因数分解:

$2^6\times 5^2\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:766

約数の個数: 84

約数和(自身を含む): 218928696

約数和(自身を除く): 131147896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 83, 100, 160, 166, 200, 320, 332, 400, 415, 661, 664, 800, 830, 1322, 1328, 1600, 1660, 2075, 2644, 2656, 3305, 3320, 4150, 5288, 5312, 6610, 6640, 8300, 10576, 13220, 13280, 16525, 16600, 21152, 26440, 26560, 33050, 33200, 42304, 52880, 54863, 66100, 66400, 105760, 109726, 132200, 132800, 211520, 219452, 264400, 274315, 438904, 528800, 548630, 877808, 1057600, 1097260, 1371575, 1755616, 2194520, 2743150, 3511232, 4389040, 5486300, 8778080, 10972600, 17556160, 21945200, 43890400, 87780800]

約数ペア:

[(1, 87780800), (2, 43890400), (4, 21945200), (5, 17556160), (8, 10972600), (10, 8778080), (16, 5486300), (20, 4389040), (25, 3511232), (32, 2743150), (40, 2194520), (50, 1755616), (64, 1371575), (80, 1097260), (83, 1057600), (100, 877808), (160, 548630), (166, 528800), (200, 438904), (320, 274315), (332, 264400), (400, 219452), (415, 211520), (661, 132800), (664, 132200), (800, 109726), (830, 105760), (1322, 66400), (1328, 66100), (1600, 54863), (1660, 52880), (2075, 42304), (2644, 33200), (2656, 33050), (3305, 26560), (3320, 26440), (4150, 21152), (5288, 16600), (5312, 16525), (6610, 13280), (6640, 13220), (8300, 10576)]