51598240

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1637}}^1$

素因数の和:1849

約数の個数: 48

約数和(自身を含む): 122594472

約数和(自身を除く): 70996232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1637, 1970, 3152, 3274, 3940, 6304, 6548, 7880, 8185, 13096, 15760, 16370, 26192, 31520, 32740, 52384, 65480, 130960, 261920, 322489, 644978, 1289956, 1612445, 2579912, 3224890, 5159824, 6449780, 10319648, 12899560, 25799120, 51598240]

約数ペア:

[(1, 51598240), (2, 25799120), (4, 12899560), (5, 10319648), (8, 6449780), (10, 5159824), (16, 3224890), (20, 2579912), (32, 1612445), (40, 1289956), (80, 644978), (160, 322489), (197, 261920), (394, 130960), (788, 65480), (985, 52384), (1576, 32740), (1637, 31520), (1970, 26192), (3152, 16370), (3274, 15760), (3940, 13096), (6304, 8185), (6548, 7880)]