1982720

素因数分解:

$2^8\times 5^1\times {\mathrm{1549}}^1$

素因数の和:1570

約数の個数: 36

約数和(自身を含む): 4752300

約数和(自身を除く): 2769580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1549, 3098, 6196, 7745, 12392, 15490, 24784, 30980, 49568, 61960, 99136, 123920, 198272, 247840, 396544, 495680, 991360, 1982720]

約数ペア:

[(1, 1982720), (2, 991360), (4, 495680), (5, 396544), (8, 247840), (10, 198272), (16, 123920), (20, 99136), (32, 61960), (40, 49568), (64, 30980), (80, 24784), (128, 15490), (160, 12392), (256, 7745), (320, 6196), (640, 3098), (1280, 1549)]