6878980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8389}}^1$

素因数の和:8439

約数の個数: 24

約数和(自身を含む): 14799960

約数和(自身を除く): 7920980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 8389, 16778, 33556, 41945, 83890, 167780, 343949, 687898, 1375796, 1719745, 3439490, 6878980]

約数ペア:

[(1, 6878980), (2, 3439490), (4, 1719745), (5, 1375796), (10, 687898), (20, 343949), (41, 167780), (82, 83890), (164, 41945), (205, 33556), (410, 16778), (820, 8389)]