66909950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 128991744

約数和(自身を除く): 62081794

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 127, 205, 254, 257, 410, 514, 635, 1025, 1270, 1285, 2050, 2570, 3175, 5207, 6350, 6425, 10414, 10537, 12850, 21074, 26035, 32639, 52070, 52685, 65278, 105370, 130175, 163195, 260350, 263425, 326390, 526850, 815975, 1338199, 1631950, 2676398, 6690995, 13381990, 33454975, 66909950]

約数ペア:

[(1, 66909950), (2, 33454975), (5, 13381990), (10, 6690995), (25, 2676398), (41, 1631950), (50, 1338199), (82, 815975), (127, 526850), (205, 326390), (254, 263425), (257, 260350), (410, 163195), (514, 130175), (635, 105370), (1025, 65278), (1270, 52685), (1285, 52070), (2050, 32639), (2570, 26035), (3175, 21074), (5207, 12850), (6350, 10537), (6425, 10414)]