7998940

素因数分解:

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

素因数の和:17421

約数の個数: 24

約数和(自身を含む): 17529120

約数和(自身を除く): 9530180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 17389, 34778, 69556, 86945, 173890, 347780, 399947, 799894, 1599788, 1999735, 3999470, 7998940]

約数ペア:

[(1, 7998940), (2, 3999470), (4, 1999735), (5, 1599788), (10, 799894), (20, 399947), (23, 347780), (46, 173890), (92, 86945), (115, 69556), (230, 34778), (460, 17389)]