15949000

素因数分解:

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

素因数の和:451

約数の個数: 64

約数和(自身を含む): 38329200

約数和(自身を除く): 22380200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 389, 410, 500, 778, 820, 1000, 1025, 1556, 1640, 1945, 2050, 3112, 3890, 4100, 5125, 7780, 8200, 9725, 10250, 15560, 15949, 19450, 20500, 31898, 38900, 41000, 48625, 63796, 77800, 79745, 97250, 127592, 159490, 194500, 318980, 389000, 398725, 637960, 797450, 1594900, 1993625, 3189800, 3987250, 7974500, 15949000]

約数ペア:

[(1, 15949000), (2, 7974500), (4, 3987250), (5, 3189800), (8, 1993625), (10, 1594900), (20, 797450), (25, 637960), (40, 398725), (41, 389000), (50, 318980), (82, 194500), (100, 159490), (125, 127592), (164, 97250), (200, 79745), (205, 77800), (250, 63796), (328, 48625), (389, 41000), (410, 38900), (500, 31898), (778, 20500), (820, 19450), (1000, 15949), (1025, 15560), (1556, 10250), (1640, 9725), (1945, 8200), (2050, 7780), (3112, 5125), (3890, 4100)]