7081880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13619}}^1$

素因数の和:13643

約数の個数: 32

約数和(自身を含む): 17161200

約数和(自身を除く): 10079320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13619, 27238, 54476, 68095, 108952, 136190, 177047, 272380, 354094, 544760, 708188, 885235, 1416376, 1770470, 3540940, 7081880]

約数ペア:

[(1, 7081880), (2, 3540940), (4, 1770470), (5, 1416376), (8, 885235), (10, 708188), (13, 544760), (20, 354094), (26, 272380), (40, 177047), (52, 136190), (65, 108952), (104, 68095), (130, 54476), (260, 27238), (520, 13619)]