15997880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17389}}^1$

素因数の和:17423

約数の個数: 32

約数和(自身を含む): 37562400

約数和(自身を除く): 21564520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 17389, 34778, 69556, 86945, 139112, 173890, 347780, 399947, 695560, 799894, 1599788, 1999735, 3199576, 3999470, 7998940, 15997880]

約数ペア:

[(1, 15997880), (2, 7998940), (4, 3999470), (5, 3199576), (8, 1999735), (10, 1599788), (20, 799894), (23, 695560), (40, 399947), (46, 347780), (92, 173890), (115, 139112), (184, 86945), (230, 69556), (460, 34778), (920, 17389)]