80673280

素因数分解:

$2^9\times 5^1\times {\mathrm{31513}}^1$

素因数の和:31536

約数の個数: 40

約数和(自身を含む): 193432932

約数和(自身を除く): 112759652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 31513, 63026, 126052, 157565, 252104, 315130, 504208, 630260, 1008416, 1260520, 2016832, 2521040, 4033664, 5042080, 8067328, 10084160, 16134656, 20168320, 40336640, 80673280]

約数ペア:

[(1, 80673280), (2, 40336640), (4, 20168320), (5, 16134656), (8, 10084160), (10, 8067328), (16, 5042080), (20, 4033664), (32, 2521040), (40, 2016832), (64, 1260520), (80, 1008416), (128, 630260), (160, 504208), (256, 315130), (320, 252104), (512, 157565), (640, 126052), (1280, 63026), (2560, 31513)]