9958400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{389}}^1$

素因数の和:419

約数の個数: 66

約数和(自身を含む): 24748230

約数和(自身を除く): 14789830

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 389, 400, 512, 640, 778, 800, 1024, 1280, 1556, 1600, 1945, 2560, 3112, 3200, 3890, 5120, 6224, 6400, 7780, 9725, 12448, 12800, 15560, 19450, 24896, 25600, 31120, 38900, 49792, 62240, 77800, 99584, 124480, 155600, 199168, 248960, 311200, 398336, 497920, 622400, 995840, 1244800, 1991680, 2489600, 4979200, 9958400]

約数ペア:

[(1, 9958400), (2, 4979200), (4, 2489600), (5, 1991680), (8, 1244800), (10, 995840), (16, 622400), (20, 497920), (25, 398336), (32, 311200), (40, 248960), (50, 199168), (64, 155600), (80, 124480), (100, 99584), (128, 77800), (160, 62240), (200, 49792), (256, 38900), (320, 31120), (389, 25600), (400, 24896), (512, 19450), (640, 15560), (778, 12800), (800, 12448), (1024, 9725), (1280, 7780), (1556, 6400), (1600, 6224), (1945, 5120), (2560, 3890), (3112, 3200)]