991360

素因数分解:

$2^7\times 5^1\times {\mathrm{1549}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 2371500

約数和(自身を除く): 1380140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1549, 3098, 6196, 7745, 12392, 15490, 24784, 30980, 49568, 61960, 99136, 123920, 198272, 247840, 495680, 991360]

約数ペア:

[(1, 991360), (2, 495680), (4, 247840), (5, 198272), (8, 123920), (10, 99136), (16, 61960), (20, 49568), (32, 30980), (40, 24784), (64, 15490), (80, 12392), (128, 7745), (160, 6196), (320, 3098), (640, 1549)]