1276177720

素因数分解:

$2^3\times 5^1\times {\mathrm{6257}}^1\times {\mathrm{5099}}^1$

素因数の和:11367

約数の個数: 32

約数和(自身を含む): 2872422000

約数和(自身を除く): 1596244280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5099, 6257, 10198, 12514, 20396, 25028, 25495, 31285, 40792, 50056, 50990, 62570, 101980, 125140, 203960, 250280, 31904443, 63808886, 127617772, 159522215, 255235544, 319044430, 638088860, 1276177720]

約数ペア:

[(1, 1276177720), (2, 638088860), (4, 319044430), (5, 255235544), (8, 159522215), (10, 127617772), (20, 63808886), (40, 31904443), (5099, 250280), (6257, 203960), (10198, 125140), (12514, 101980), (20396, 62570), (25028, 50990), (25495, 50056), (31285, 40792)]