204448000

素因数分解:

$2^8\times 5^3\times {\mathrm{6389}}^1$

素因数の和:6420

約数の個数: 72

約数和(自身を含む): 509385240

約数和(自身を除く): 304937240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 3200, 4000, 6389, 6400, 8000, 12778, 16000, 25556, 31945, 32000, 51112, 63890, 102224, 127780, 159725, 204448, 255560, 319450, 408896, 511120, 638900, 798625, 817792, 1022240, 1277800, 1597250, 1635584, 2044480, 2555600, 3194500, 4088960, 5111200, 6389000, 8177920, 10222400, 12778000, 20444800, 25556000, 40889600, 51112000, 102224000, 204448000]

約数ペア:

[(1, 204448000), (2, 102224000), (4, 51112000), (5, 40889600), (8, 25556000), (10, 20444800), (16, 12778000), (20, 10222400), (25, 8177920), (32, 6389000), (40, 5111200), (50, 4088960), (64, 3194500), (80, 2555600), (100, 2044480), (125, 1635584), (128, 1597250), (160, 1277800), (200, 1022240), (250, 817792), (256, 798625), (320, 638900), (400, 511120), (500, 408896), (640, 319450), (800, 255560), (1000, 204448), (1280, 159725), (1600, 127780), (2000, 102224), (3200, 63890), (4000, 51112), (6389, 32000), (6400, 31945), (8000, 25556), (12778, 16000)]