2640484160

素因数分解:

$2^6\times 5^1\times {\mathrm{8251513}}^1$

素因数の和:8251530

約数の個数: 28

約数和(自身を含む): 6287653668

約数和(自身を除く): 3647169508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 8251513, 16503026, 33006052, 41257565, 66012104, 82515130, 132024208, 165030260, 264048416, 330060520, 528096832, 660121040, 1320242080, 2640484160]

約数ペア:

[(1, 2640484160), (2, 1320242080), (4, 660121040), (5, 528096832), (8, 330060520), (10, 264048416), (16, 165030260), (20, 132024208), (32, 82515130), (40, 66012104), (64, 41257565), (80, 33006052), (160, 16503026), (320, 8251513)]