3888440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2371}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 8966160

約数和(自身を除く): 5077720

約数列:

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

約数ペア:

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