13308815560

素因数分解:

$2^3\times 5^1\times {\mathrm{4561}}^1\times {\mathrm{72949}}^1$

素因数の和:77521

約数の個数: 32

約数和(自身を含む): 29951811000

約数和(自身を除く): 16642995440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4561, 9122, 18244, 22805, 36488, 45610, 72949, 91220, 145898, 182440, 291796, 364745, 583592, 729490, 1458980, 2917960, 332720389, 665440778, 1330881556, 1663601945, 2661763112, 3327203890, 6654407780, 13308815560]

約数ペア:

[(1, 13308815560), (2, 6654407780), (4, 3327203890), (5, 2661763112), (8, 1663601945), (10, 1330881556), (20, 665440778), (40, 332720389), (4561, 2917960), (9122, 1458980), (18244, 729490), (22805, 583592), (36488, 364745), (45610, 291796), (72949, 182440), (91220, 145898)]