65588840

素因数分解:

$2^3\times 5^1\times {\mathrm{733}}^1\times {\mathrm{2237}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 147842280

約数和(自身を除く): 82253440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 733, 1466, 2237, 2932, 3665, 4474, 5864, 7330, 8948, 11185, 14660, 17896, 22370, 29320, 44740, 89480, 1639721, 3279442, 6558884, 8198605, 13117768, 16397210, 32794420, 65588840]

約数ペア:

[(1, 65588840), (2, 32794420), (4, 16397210), (5, 13117768), (8, 8198605), (10, 6558884), (20, 3279442), (40, 1639721), (733, 89480), (1466, 44740), (2237, 29320), (2932, 22370), (3665, 17896), (4474, 14660), (5864, 11185), (7330, 8948)]