68304760

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8581}}^1$

素因数の和:8791

約数の個数: 32

約数和(自身を含む): 154476000

約数和(自身を除く): 86171240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 8581, 17162, 34324, 42905, 68648, 85810, 171620, 343240, 1707619, 3415238, 6830476, 8538095, 13660952, 17076190, 34152380, 68304760]

約数ペア:

[(1, 68304760), (2, 34152380), (4, 17076190), (5, 13660952), (8, 8538095), (10, 6830476), (20, 3415238), (40, 1707619), (199, 343240), (398, 171620), (796, 85810), (995, 68648), (1592, 42905), (1990, 34324), (3980, 17162), (7960, 8581)]