51036800

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:454

約数の個数: 96

約数和(自身を含む): 129483900

約数和(自身を除く): 78447100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 320, 328, 389, 400, 410, 640, 656, 778, 800, 820, 1025, 1312, 1556, 1600, 1640, 1945, 2050, 2624, 3112, 3200, 3280, 3890, 4100, 5248, 6224, 6560, 7780, 8200, 9725, 12448, 13120, 15560, 15949, 16400, 19450, 24896, 26240, 31120, 31898, 32800, 38900, 49792, 62240, 63796, 65600, 77800, 79745, 124480, 127592, 131200, 155600, 159490, 248960, 255184, 311200, 318980, 398725, 510368, 622400, 637960, 797450, 1020736, 1244800, 1275920, 1594900, 2041472, 2551840, 3189800, 5103680, 6379600, 10207360, 12759200, 25518400, 51036800]

約数ペア:

[(1, 51036800), (2, 25518400), (4, 12759200), (5, 10207360), (8, 6379600), (10, 5103680), (16, 3189800), (20, 2551840), (25, 2041472), (32, 1594900), (40, 1275920), (41, 1244800), (50, 1020736), (64, 797450), (80, 637960), (82, 622400), (100, 510368), (128, 398725), (160, 318980), (164, 311200), (200, 255184), (205, 248960), (320, 159490), (328, 155600), (389, 131200), (400, 127592), (410, 124480), (640, 79745), (656, 77800), (778, 65600), (800, 63796), (820, 62240), (1025, 49792), (1312, 38900), (1556, 32800), (1600, 31898), (1640, 31120), (1945, 26240), (2050, 24896), (2624, 19450), (3112, 16400), (3200, 15949), (3280, 15560), (3890, 13120), (4100, 12448), (5248, 9725), (6224, 8200), (6560, 7780)]