2776520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1693}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 6403320

約数和(自身を除く): 3626800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1693, 3386, 6772, 8465, 13544, 16930, 33860, 67720, 69413, 138826, 277652, 347065, 555304, 694130, 1388260, 2776520]

約数ペア:

[(1, 2776520), (2, 1388260), (4, 694130), (5, 555304), (8, 347065), (10, 277652), (20, 138826), (40, 69413), (41, 67720), (82, 33860), (164, 16930), (205, 13544), (328, 8465), (410, 6772), (820, 3386), (1640, 1693)]