16210540

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4073}}^1$

素因数の和:4281

約数の個数: 24

約数和(自身を含む): 34221600

約数和(自身を除く): 18011060

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 4073, 8146, 16292, 20365, 40730, 81460, 810527, 1621054, 3242108, 4052635, 8105270, 16210540]

約数ペア:

[(1, 16210540), (2, 8105270), (4, 4052635), (5, 3242108), (10, 1621054), (20, 810527), (199, 81460), (398, 40730), (796, 20365), (995, 16292), (1990, 8146), (3980, 4073)]