11115920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3389}}^1$

素因数の和:3443

約数の個数: 40

約数和(自身を含む): 26482680

約数和(自身を除く): 15366760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3389, 6778, 13556, 16945, 27112, 33890, 54224, 67780, 135560, 138949, 271120, 277898, 555796, 694745, 1111592, 1389490, 2223184, 2778980, 5557960, 11115920]

約数ペア:

[(1, 11115920), (2, 5557960), (4, 2778980), (5, 2223184), (8, 1389490), (10, 1111592), (16, 694745), (20, 555796), (40, 277898), (41, 271120), (80, 138949), (82, 135560), (164, 67780), (205, 54224), (328, 33890), (410, 27112), (656, 16945), (820, 13556), (1640, 6778), (3280, 3389)]