205942360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{396043}}^1$

素因数の和:396067

約数の個数: 32

約数和(自身を含む): 499015440

約数和(自身を除く): 293073080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 396043, 792086, 1584172, 1980215, 3168344, 3960430, 5148559, 7920860, 10297118, 15841720, 20594236, 25742795, 41188472, 51485590, 102971180, 205942360]

約数ペア:

[(1, 205942360), (2, 102971180), (4, 51485590), (5, 41188472), (8, 25742795), (10, 20594236), (13, 15841720), (20, 10297118), (26, 7920860), (40, 5148559), (52, 3960430), (65, 3168344), (104, 1980215), (130, 1584172), (260, 792086), (520, 396043)]