85665920

素因数分解:

$2^7\times 5^1\times {\mathrm{133853}}^1$

素因数の和:133872

約数の個数: 32

約数和(自身を含む): 204796620

約数和(自身を除く): 119130700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 133853, 267706, 535412, 669265, 1070824, 1338530, 2141648, 2677060, 4283296, 5354120, 8566592, 10708240, 17133184, 21416480, 42832960, 85665920]

約数ペア:

[(1, 85665920), (2, 42832960), (4, 21416480), (5, 17133184), (8, 10708240), (10, 8566592), (16, 5354120), (20, 4283296), (32, 2677060), (40, 2141648), (64, 1338530), (80, 1070824), (128, 669265), (160, 535412), (320, 267706), (640, 133853)]