7776880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2371}}^1$

素因数の和:2425

約数の個数: 40

約数和(自身を含む): 18530064

約数和(自身を除く): 10753184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2371, 3280, 4742, 9484, 11855, 18968, 23710, 37936, 47420, 94840, 97211, 189680, 194422, 388844, 486055, 777688, 972110, 1555376, 1944220, 3888440, 7776880]

約数ペア:

[(1, 7776880), (2, 3888440), (4, 1944220), (5, 1555376), (8, 972110), (10, 777688), (16, 486055), (20, 388844), (40, 194422), (41, 189680), (80, 97211), (82, 94840), (164, 47420), (205, 37936), (328, 23710), (410, 18968), (656, 11855), (820, 9484), (1640, 4742), (2371, 3280)]