76989680

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4561}}^1$

素因数の和:4785

約数の個数: 40

約数和(自身を含む): 179888784

約数和(自身を除く): 102899104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 4561, 8440, 9122, 16880, 18244, 22805, 36488, 45610, 72976, 91220, 182440, 364880, 962371, 1924742, 3849484, 4811855, 7698968, 9623710, 15397936, 19247420, 38494840, 76989680]

約数ペア:

[(1, 76989680), (2, 38494840), (4, 19247420), (5, 15397936), (8, 9623710), (10, 7698968), (16, 4811855), (20, 3849484), (40, 1924742), (80, 962371), (211, 364880), (422, 182440), (844, 91220), (1055, 72976), (1688, 45610), (2110, 36488), (3376, 22805), (4220, 18244), (4561, 16880), (8440, 9122)]