26315920

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1559}}^1$

素因数の和:1783

約数の個数: 40

約数和(自身を含む): 61513920

約数和(自身を除く): 35198000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1559, 1688, 2110, 3118, 3376, 4220, 6236, 7795, 8440, 12472, 15590, 16880, 24944, 31180, 62360, 124720, 328949, 657898, 1315796, 1644745, 2631592, 3289490, 5263184, 6578980, 13157960, 26315920]

約数ペア:

[(1, 26315920), (2, 13157960), (4, 6578980), (5, 5263184), (8, 3289490), (10, 2631592), (16, 1644745), (20, 1315796), (40, 657898), (80, 328949), (211, 124720), (422, 62360), (844, 31180), (1055, 24944), (1559, 16880), (1688, 15590), (2110, 12472), (3118, 8440), (3376, 7795), (4220, 6236)]