859767560

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{108011}}^1$

素因数の和:108221

約数の個数: 32

約数和(自身を含む): 1944216000

約数和(自身を除く): 1084448440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 108011, 216022, 432044, 540055, 864088, 1080110, 2160220, 4320440, 21494189, 42988378, 85976756, 107470945, 171953512, 214941890, 429883780, 859767560]

約数ペア:

[(1, 859767560), (2, 429883780), (4, 214941890), (5, 171953512), (8, 107470945), (10, 85976756), (20, 42988378), (40, 21494189), (199, 4320440), (398, 2160220), (796, 1080110), (995, 864088), (1592, 540055), (1990, 432044), (3980, 216022), (7960, 108011)]