206545880

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{7283}}^1$

素因数の和:8003

約数の個数: 32

約数和(自身を含む): 465447600

約数和(自身を除く): 258901720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 5672, 7090, 7283, 14180, 14566, 28360, 29132, 36415, 58264, 72830, 145660, 291320, 5163647, 10327294, 20654588, 25818235, 41309176, 51636470, 103272940, 206545880]

約数ペア:

[(1, 206545880), (2, 103272940), (4, 51636470), (5, 41309176), (8, 25818235), (10, 20654588), (20, 10327294), (40, 5163647), (709, 291320), (1418, 145660), (2836, 72830), (3545, 58264), (5672, 36415), (7090, 29132), (7283, 28360), (14180, 14566)]