82988800

素因数分解:

$2^8\times 5^2\times {\mathrm{12967}}^1$

素因数の和:12993

約数の個数: 54

約数和(自身を含む): 205426088

約数和(自身を除く): 122437288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 12967, 25934, 51868, 64835, 103736, 129670, 207472, 259340, 324175, 414944, 518680, 648350, 829888, 1037360, 1296700, 1659776, 2074720, 2593400, 3319552, 4149440, 5186800, 8298880, 10373600, 16597760, 20747200, 41494400, 82988800]

約数ペア:

[(1, 82988800), (2, 41494400), (4, 20747200), (5, 16597760), (8, 10373600), (10, 8298880), (16, 5186800), (20, 4149440), (25, 3319552), (32, 2593400), (40, 2074720), (50, 1659776), (64, 1296700), (80, 1037360), (100, 829888), (128, 648350), (160, 518680), (200, 414944), (256, 324175), (320, 259340), (400, 207472), (640, 129670), (800, 103736), (1280, 64835), (1600, 51868), (3200, 25934), (6400, 12967)]