55776640

素因数分解:

$2^7\times 5^1\times {\mathrm{87151}}^1$

素因数の和:87170

約数の個数: 32

約数和(自身を含む): 133342560

約数和(自身を除く): 77565920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 87151, 174302, 348604, 435755, 697208, 871510, 1394416, 1743020, 2788832, 3486040, 5577664, 6972080, 11155328, 13944160, 27888320, 55776640]

約数ペア:

[(1, 55776640), (2, 27888320), (4, 13944160), (5, 11155328), (8, 6972080), (10, 5577664), (16, 3486040), (20, 2788832), (32, 1743020), (40, 1394416), (64, 871510), (80, 697208), (128, 435755), (160, 348604), (320, 174302), (640, 87151)]