165153280

素因数分解:

$2^9\times 5^1\times {\mathrm{64513}}^1$

素因数の和:64536

約数の個数: 40

約数和(自身を含む): 395986932

約数和(自身を除く): 230833652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 64513, 129026, 258052, 322565, 516104, 645130, 1032208, 1290260, 2064416, 2580520, 4128832, 5161040, 8257664, 10322080, 16515328, 20644160, 33030656, 41288320, 82576640, 165153280]

約数ペア:

[(1, 165153280), (2, 82576640), (4, 41288320), (5, 33030656), (8, 20644160), (10, 16515328), (16, 10322080), (20, 8257664), (32, 5161040), (40, 4128832), (64, 2580520), (80, 2064416), (128, 1290260), (160, 1032208), (256, 645130), (320, 516104), (512, 322565), (640, 258052), (1280, 129026), (2560, 64513)]