3987250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 7665840

約数和(自身を除く): 3678590

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 389, 410, 778, 1025, 1945, 2050, 3890, 5125, 9725, 10250, 15949, 19450, 31898, 48625, 79745, 97250, 159490, 398725, 797450, 1993625, 3987250]

約数ペア:

[(1, 3987250), (2, 1993625), (5, 797450), (10, 398725), (25, 159490), (41, 97250), (50, 79745), (82, 48625), (125, 31898), (205, 19450), (250, 15949), (389, 10250), (410, 9725), (778, 5125), (1025, 3890), (1945, 2050)]