15394640

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{967}}^1$

素因数の和:1179

約数の個数: 40

約数和(自身を含む): 36009600

約数和(自身を除く): 20614960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 967, 995, 1592, 1934, 1990, 3184, 3868, 3980, 4835, 7736, 7960, 9670, 15472, 15920, 19340, 38680, 77360, 192433, 384866, 769732, 962165, 1539464, 1924330, 3078928, 3848660, 7697320, 15394640]

約数ペア:

[(1, 15394640), (2, 7697320), (4, 3848660), (5, 3078928), (8, 1924330), (10, 1539464), (16, 962165), (20, 769732), (40, 384866), (80, 192433), (199, 77360), (398, 38680), (796, 19340), (967, 15920), (995, 15472), (1592, 9670), (1934, 7960), (1990, 7736), (3184, 4835), (3868, 3980)]